<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:ec073480-c803-4857-96c0-cc18a87ea2f8,g:151748a2-8193-4f13-8e23-d5d5e146bcd2-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFFINANCIALCONDITIONUNAUDITED" xlink:type="simple" xlink:href="wfsl-20241231.xsd#CONSOLIDATEDSTATEMENTSOFFINANCIALCONDITIONUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFFINANCIALCONDITIONUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_d6bcfd6c-ded1-479e-8c0d-d301019ea419" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_8e4d0b2d-cc9c-41d8-93d4-710c16411e36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d6bcfd6c-ded1-479e-8c0d-d301019ea419" xlink:to="loc_us-gaap_Liabilities_8e4d0b2d-cc9c-41d8-93d4-710c16411e36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_09b079fc-4a04-485a-a840-13f73adddb2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d6bcfd6c-ded1-479e-8c0d-d301019ea419" xlink:to="loc_us-gaap_CommitmentsAndContingencies_09b079fc-4a04-485a-a840-13f73adddb2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_839e3256-825c-4106-94f6-73a654ad07dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_d6bcfd6c-ded1-479e-8c0d-d301019ea419" xlink:to="loc_us-gaap_StockholdersEquity_839e3256-825c-4106-94f6-73a654ad07dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_353ac9e3-18bd-4dc3-94f1-e5554143d462" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Deposits"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimeDeposits_854f6d84-a0ee-46ea-88ef-8e68610ee392" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TimeDeposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_353ac9e3-18bd-4dc3-94f1-e5554143d462" xlink:to="loc_us-gaap_TimeDeposits_854f6d84-a0ee-46ea-88ef-8e68610ee392" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_TransactionDeposits_5e149a90-ed77-4034-97fb-7740e786c076" xlink:href="wfsl-20241231.xsd#wfsl_TransactionDeposits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_353ac9e3-18bd-4dc3-94f1-e5554143d462" xlink:to="loc_wfsl_TransactionDeposits_5e149a90-ed77-4034-97fb-7740e786c076" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_1f414590-362d-4633-a03d-1d8cde74f716" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_PreferredStockValue_1f414590-362d-4633-a03d-1d8cde74f716" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_adc40e80-f618-4f59-a17c-ac683772c23e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_adc40e80-f618-4f59-a17c-ac683772c23e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_28bc821d-8281-49fc-815d-c95f2c0c520a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_28bc821d-8281-49fc-815d-c95f2c0c520a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_d50873b2-7a31-4016-a704-299bbb9454eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_CommonStockValue_d50873b2-7a31-4016-a704-299bbb9454eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_5db5b40c-bb61-427b-a2c2-129044366968" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_5db5b40c-bb61-427b-a2c2-129044366968" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_7a6c93b4-dfa0-469c-b402-1230bd845a35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_41f7c960-71ad-4f95-9060-a181344cc3da" xlink:to="loc_us-gaap_TreasuryStockCommonValue_7a6c93b4-dfa0-469c-b402-1230bd845a35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_3c728739-aade-42ce-8d2d-d0af406b8d57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Deposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:to="loc_us-gaap_Deposits_3c728739-aade-42ce-8d2d-d0af406b8d57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilities_6ab89a3e-bb2e-46ab-af07-0fa3452b91d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableAndOtherAccruedLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:to="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilities_6ab89a3e-bb2e-46ab-af07-0fa3452b91d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvancePaymentsByBorrowersForTaxesAndInsurance_ed3152a0-e6f3-456c-b437-0dc41829bf98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvancePaymentsByBorrowersForTaxesAndInsurance"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:to="loc_us-gaap_AdvancePaymentsByBorrowersForTaxesAndInsurance_ed3152a0-e6f3-456c-b437-0dc41829bf98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_bed38684-31da-48f6-aaab-e0c5bb9e9c76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:to="loc_us-gaap_OtherLongTermDebt_bed38684-31da-48f6-aaab-e0c5bb9e9c76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust_de060749-66a7-4e46-853e-dba4501ad190" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_964d42ae-f386-4e73-876a-6f1ae79c17e6" xlink:to="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust_de060749-66a7-4e46-853e-dba4501ad190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_f28153fe-234f-4f4d-99bb-da926c7cdaec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_f28153fe-234f-4f4d-99bb-da926c7cdaec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_50765910-5414-4a73-8a5c-97d8cef15702" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_50765910-5414-4a73-8a5c-97d8cef15702" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_651741e6-c3c7-4b6e-9f84-4ce52728c201" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_651741e6-c3c7-4b6e-9f84-4ce52728c201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankOwnedLifeInsurance_6739b0c6-9922-4171-8b50-df792be9973c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BankOwnedLifeInsurance"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_BankOwnedLifeInsurance_6739b0c6-9922-4171-8b50-df792be9973c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_555621e8-2f8f-4498-9194-d285196e39ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_555621e8-2f8f-4498-9194-d285196e39ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankStock_849067ff-5202-4c95-9ec1-c75e53e8fcaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalHomeLoanBankStock"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_FederalHomeLoanBankStock_849067ff-5202-4c95-9ec1-c75e53e8fcaf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateHeldforsale_618799b1-f29c-49bf-bdfd-ddff139f390b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateHeldforsale"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_RealEstateHeldforsale_618799b1-f29c-49bf-bdfd-ddff139f390b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_b35bb6bd-8c8d-47a0-8a55-544319d5b509" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_b35bb6bd-8c8d-47a0-8a55-544319d5b509" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedInvestmentIncomeReceivable_c4c47473-1211-45cd-964c-9827cabd052c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedInvestmentIncomeReceivable"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_AccruedInvestmentIncomeReceivable_c4c47473-1211-45cd-964c-9827cabd052c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_0d7e81b6-c930-442f-abe4-6bba39f02539" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_0d7e81b6-c930-442f-abe4-6bba39f02539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_7a4cd5a1-9a24-4a59-8918-a0f752961ccd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_OtherAssets_7a4cd5a1-9a24-4a59-8918-a0f752961ccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_6626dc5d-c8e4-4e17-82d5-cedcc284991d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f02ee622-75e0-4cb3-82f0-1b40885c2490" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_6626dc5d-c8e4-4e17-82d5-cedcc284991d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED" xlink:type="simple" xlink:href="wfsl-20241231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_86715354-22bc-40b8-9818-97219ad5af47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_86715354-22bc-40b8-9818-97219ad5af47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_9d664ebf-64ba-470a-ab19-d9a8c04964e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncomeOtherOperatingIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:to="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_9d664ebf-64ba-470a-ab19-d9a8c04964e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FeesAndCommissionsMortgageBankingAndServicing_fbb3e79d-58f7-4c8c-a754-2798d3a8041a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FeesAndCommissionsMortgageBankingAndServicing"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:to="loc_us-gaap_FeesAndCommissionsMortgageBankingAndServicing_fbb3e79d-58f7-4c8c-a754-2798d3a8041a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesGainLoss_2c2aeade-b4ab-49f8-9e4c-e8ae2d3377c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtAndEquitySecuritiesGainLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesGainLoss_2c2aeade-b4ab-49f8-9e4c-e8ae2d3377c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GainLossOnTerminatedDerivativeInstrumentsNetPretax_64bf125b-f1ed-4dae-b957-fecec0b12b0c" xlink:href="wfsl-20241231.xsd#wfsl_GainLossOnTerminatedDerivativeInstrumentsNetPretax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_5f6b52a9-4c12-4da7-a24d-3c8fe740ea24" xlink:to="loc_wfsl_GainLossOnTerminatedDerivativeInstrumentsNetPretax_64bf125b-f1ed-4dae-b957-fecec0b12b0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a78a3431-8d61-4d3b-8ae2-8e0bc029fb2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_deaaeaa8-5473-427b-ab3e-236521c95755" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a78a3431-8d61-4d3b-8ae2-8e0bc029fb2a" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_deaaeaa8-5473-427b-ab3e-236521c95755" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_170fe8c0-4365-402f-ac2d-40a67735456f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_a78a3431-8d61-4d3b-8ae2-8e0bc029fb2a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_170fe8c0-4365-402f-ac2d-40a67735456f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_69e7bb3f-a033-413b-b067-4bdbecca101d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseBorrowings_5c991c0b-f15f-467c-bc4c-c58d27cad3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseBorrowings"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_69e7bb3f-a033-413b-b067-4bdbecca101d" xlink:to="loc_us-gaap_InterestExpenseBorrowings_5c991c0b-f15f-467c-bc4c-c58d27cad3a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDeposits_461b3ea9-35b9-4992-8a78-8afccb021485" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDeposits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_69e7bb3f-a033-413b-b067-4bdbecca101d" xlink:to="loc_us-gaap_InterestExpenseDeposits_461b3ea9-35b9-4992-8a78-8afccb021485" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_d2ec6de9-d8be-4313-952b-6e81f9a1aa81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_cc3a53fa-78d0-43ca-be55-a962e33f2fde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_d2ec6de9-d8be-4313-952b-6e81f9a1aa81" xlink:to="loc_us-gaap_InterestExpenseOperating_cc3a53fa-78d0-43ca-be55-a962e33f2fde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_213bb800-e893-411c-b106-b8bf95b85f66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_d2ec6de9-d8be-4313-952b-6e81f9a1aa81" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_213bb800-e893-411c-b106-b8bf95b85f66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_a2937c79-85fb-45e8-932b-5cbd7e636314" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_b831ad3d-d237-4123-ae54-d982b1b21529" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_a2937c79-85fb-45e8-932b-5cbd7e636314" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_b831ad3d-d237-4123-ae54-d982b1b21529" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_fddb7115-0aa1-415d-bd42-b09cc60bba28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_a2937c79-85fb-45e8-932b-5cbd7e636314" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_fddb7115-0aa1-415d-bd42-b09cc60bba28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_0f36537b-7a86-4167-b5a4-9b9501431b2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_us-gaap_LaborAndRelatedExpense_0f36537b-7a86-4167-b5a4-9b9501431b2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyNet_e16a8c26-da4e-4412-bc0f-f8c2e6655f5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OccupancyNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_us-gaap_OccupancyNet_e16a8c26-da4e-4412-bc0f-f8c2e6655f5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_77aaf7b7-8431-4c09-ac87-8c3c0885744e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalDepositInsuranceCorporationPremiumExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_77aaf7b7-8431-4c09-ac87-8c3c0885744e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_ProductDeliveryExpense_c9049703-0983-4555-baba-b65dc6c3cfc8" xlink:href="wfsl-20241231.xsd#wfsl_ProductDeliveryExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_wfsl_ProductDeliveryExpense_c9049703-0983-4555-baba-b65dc6c3cfc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_9aac960f-c860-46f9-9fd6-0c067c6c23db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InformationTechnologyAndDataProcessing"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_9aac960f-c860-46f9-9fd6-0c067c6c23db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoninterestExpense_d6e24e20-8f41-401f-b285-9e6e48d3bf71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoninterestExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_dd4c61f9-c0f4-4dcf-86b3-aadd2e5d2d57" xlink:to="loc_us-gaap_OtherNoninterestExpense_d6e24e20-8f41-401f-b285-9e6e48d3bf71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_193f833f-bd0d-431b-8a51-4538128731d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_0fb18cf8-31dc-45d9-acae-900d306e5fc9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_193f833f-bd0d-431b-8a51-4538128731d8" xlink:to="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_0fb18cf8-31dc-45d9-acae-900d306e5fc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeSecuritiesMortgageBacked_ba64dbcd-2e06-489f-bcce-f66a1de430b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeSecuritiesMortgageBacked"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_193f833f-bd0d-431b-8a51-4538128731d8" xlink:to="loc_us-gaap_InterestIncomeSecuritiesMortgageBacked_ba64dbcd-2e06-489f-bcce-f66a1de430b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_InvestmentIncomeAndOther_8daf3d96-6ff1-490c-a5ec-364f64f0dc45" xlink:href="wfsl-20241231.xsd#wfsl_InvestmentIncomeAndOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_193f833f-bd0d-431b-8a51-4538128731d8" xlink:to="loc_wfsl_InvestmentIncomeAndOther_8daf3d96-6ff1-490c-a5ec-364f64f0dc45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0e104489-de39-43ff-8410-be67a2f1e81c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_5d25c13a-d6f8-4d8a-94bd-967264ae8c81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0e104489-de39-43ff-8410-be67a2f1e81c" xlink:to="loc_us-gaap_NoninterestIncome_5d25c13a-d6f8-4d8a-94bd-967264ae8c81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfOtherRealEstate_bfc80f5f-c063-4997-8406-e6671303a5a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnSalesOfOtherRealEstate"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0e104489-de39-43ff-8410-be67a2f1e81c" xlink:to="loc_us-gaap_GainsLossesOnSalesOfOtherRealEstate_bfc80f5f-c063-4997-8406-e6671303a5a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_b158d66e-98f1-4627-bd13-b9195515a190" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0e104489-de39-43ff-8410-be67a2f1e81c" xlink:to="loc_us-gaap_NoninterestExpense_b158d66e-98f1-4627-bd13-b9195515a190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_c33c9d25-8254-41a5-964e-461b3fcd7703" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0e104489-de39-43ff-8410-be67a2f1e81c" xlink:to="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_c33c9d25-8254-41a5-964e-461b3fcd7703" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_13f3f5e9-c532-4a18-9453-6af0d15292e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_c7adf18c-a52a-412a-a6ed-ab7927d50cfb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_13f3f5e9-c532-4a18-9453-6af0d15292e0" xlink:to="loc_us-gaap_NetIncomeLoss_c7adf18c-a52a-412a-a6ed-ab7927d50cfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_6f2ee315-43d5-4943-a7fc-9706dcd0b02b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_13f3f5e9-c532-4a18-9453-6af0d15292e0" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_6f2ee315-43d5-4943-a7fc-9706dcd0b02b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED" xlink:type="simple" xlink:href="wfsl-20241231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_0e30414d-16d9-44f7-9fb1-b981750d4762" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_f0a0e5cc-4b1d-4769-98c1-b7601d5bf5d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_0e30414d-16d9-44f7-9fb1-b981750d4762" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_f0a0e5cc-4b1d-4769-98c1-b7601d5bf5d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_e93f9317-8440-4dc4-85ef-1e003167b0a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_0e30414d-16d9-44f7-9fb1-b981750d4762" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_e93f9317-8440-4dc4-85ef-1e003167b0a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_6c284bbf-684e-4e78-b4f1-f2ff434f2934" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_0e8d69c6-50e2-4595-8959-9a3075f42678" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_6c284bbf-684e-4e78-b4f1-f2ff434f2934" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_0e8d69c6-50e2-4595-8959-9a3075f42678" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_14026616-4c67-4cef-b91e-a4f1c876edfe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_6c284bbf-684e-4e78-b4f1-f2ff434f2934" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_14026616-4c67-4cef-b91e-a4f1c876edfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_d8f58f60-c15c-44d5-a03b-91c83e21b2b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_72e0702a-f71e-499a-963c-706674881cf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_d8f58f60-c15c-44d5-a03b-91c83e21b2b5" xlink:to="loc_us-gaap_NetIncomeLoss_72e0702a-f71e-499a-963c-706674881cf5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7a8c6c3d-29fa-4dc0-a47d-556f17779671" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_d8f58f60-c15c-44d5-a03b-91c83e21b2b5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7a8c6c3d-29fa-4dc0-a47d-556f17779671" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f764ba57-9007-4568-a499-92b9a732aaac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_50c5d06c-a8a6-475e-af52-0ebd65eed78a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f764ba57-9007-4568-a499-92b9a732aaac" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_50c5d06c-a8a6-475e-af52-0ebd65eed78a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_9537e670-4273-41fa-8bed-ab8cf23f3083" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_f764ba57-9007-4568-a499-92b9a732aaac" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_9537e670-4273-41fa-8bed-ab8cf23f3083" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="simple" xlink:href="wfsl-20241231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_2377ccda-9997-4384-b0c9-6833480e85ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_NetIncomeLoss_2377ccda-9997-4384-b0c9-6833480e85ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_2510285a-2126-497a-a8db-8d4477abe6e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_2510285a-2126-497a-a8db-8d4477abe6e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_ab879848-30b7-4409-a537-67bcccb590a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_ShareBasedCompensation_ab879848-30b7-4409-a537-67bcccb590a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfInvestments_a7059b56-4b5e-4843-9370-39b46a96d985" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfInvestments"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_GainLossOnSaleOfInvestments_a7059b56-4b5e-4843-9370-39b46a96d985" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_16602211-73a8-4b0b-9cfc-8d1b1ff0e8a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_16602211-73a8-4b0b-9cfc-8d1b1ff0e8a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_1b79afa2-3369-4b2a-9a67-f72eb8ce9780" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_1b79afa2-3369-4b2a-9a67-f72eb8ce9780" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_ed7cf179-c94f-4712-a07d-17a6137a5fc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_ed7cf179-c94f-4712-a07d-17a6137a5fc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankOwnedLifeInsuranceIncome_1b4b5315-5b7a-4f68-9333-c983fc828ffc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BankOwnedLifeInsuranceIncome"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_BankOwnedLifeInsuranceIncome_1b4b5315-5b7a-4f68-9333-c983fc828ffc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_c982bc68-2f13-4641-8e47-82bc6f7f5f72" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_c982bc68-2f13-4641-8e47-82bc6f7f5f72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_d4598658-ed76-4869-9518-28870fe23ac4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_d4598658-ed76-4869-9518-28870fe23ac4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_9d663b16-5073-4ab9-946f-54628bfae6ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_9d663b16-5073-4ab9-946f-54628bfae6ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_546955a2-3115-493a-878b-c27b3a33d8a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_10030107-9fcb-45f7-9a97-e0bc885b6eb2" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_546955a2-3115-493a-878b-c27b3a33d8a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_679883e9-b82b-4fd7-9bf3-1688552e1a77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b5aa44d4-8c46-40a8-9bf8-d78fb9b0b88d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_679883e9-b82b-4fd7-9bf3-1688552e1a77" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b5aa44d4-8c46-40a8-9bf8-d78fb9b0b88d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3daef274-dee9-4c0d-88da-2ac3c9b3fc82" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_679883e9-b82b-4fd7-9bf3-1688552e1a77" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3daef274-dee9-4c0d-88da-2ac3c9b3fc82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e26fdf64-5dd9-4861-b690-f0409e42d73a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_679883e9-b82b-4fd7-9bf3-1688552e1a77" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e26fdf64-5dd9-4861-b690-f0409e42d73a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_bd71668b-272c-47e0-846c-493e19a84210" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_bd71668b-272c-47e0-846c-493e19a84210" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_f53a1597-2c83-4321-be60-a2a36ee4c8a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_f53a1597-2c83-4321-be60-a2a36ee4c8a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_819b9f45-0348-419b-9a31-5a206929c832" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_819b9f45-0348-419b-9a31-5a206929c832" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6d552b89-d616-4709-8b7e-4f0fa80d4029" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6d552b89-d616-4709-8b7e-4f0fa80d4029" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_LoansOriginatedNetOfPrincipalCollections_76092fa3-d237-40db-9101-274ec909b5f4" xlink:href="wfsl-20241231.xsd#wfsl_LoansOriginatedNetOfPrincipalCollections"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_wfsl_LoansOriginatedNetOfPrincipalCollections_76092fa3-d237-40db-9101-274ec909b5f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment_0cc389f5-3bd7-43ad-9f4b-843348cee007" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireLoansHeldForInvestment"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireLoansHeldForInvestment_0cc389f5-3bd7-43ad-9f4b-843348cee007" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_58554950-b856-44ab-8f80-84455be602b9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_58554950-b856-44ab-8f80-84455be602b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans_9f8db419-f137-4040-85a7-e4a7faaabc98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans_9f8db419-f137-4040-85a7-e4a7faaabc98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_93f6d003-7245-4ffc-addf-afdc076c36c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_93f6d003-7245-4ffc-addf-afdc076c36c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFederalHomeLoanBankStock_9197fa20-8f39-49f7-8396-f6aa1f9e0c1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireFederalHomeLoanBankStock"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireFederalHomeLoanBankStock_9197fa20-8f39-49f7-8396-f6aa1f9e0c1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfFederalHomeLoanBankStock_f05577ad-e83d-469e-b20c-ca713f2bcc25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfFederalHomeLoanBankStock"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_ProceedsFromSaleOfFederalHomeLoanBankStock_f05577ad-e83d-469e-b20c-ca713f2bcc25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_4f913678-663a-4c91-8197-0c1f8a4a9e4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_4f913678-663a-4c91-8197-0c1f8a4a9e4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_bbfca234-8fc0-42b6-9ed1-e5892bdb4096" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_bbfca234-8fc0-42b6-9ed1-e5892bdb4096" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_104b1aab-beb5-42c6-a66d-549abf95450b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_104b1aab-beb5-42c6-a66d-549abf95450b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_95570fec-e193-45b4-a50a-f82dc17d2c8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f5d20620-6218-4dbe-ae0e-862e847d272f" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_95570fec-e193-45b4-a50a-f82dc17d2c8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_74ebf4f6-76d8-4850-8bc8-14c02df0e9b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_74ebf4f6-76d8-4850-8bc8-14c02df0e9b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_088fe356-9219-462a-a640-0c8ea8593be0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_088fe356-9219-462a-a640-0c8ea8593be0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_8c48e45c-709a-4cb8-9b78-73d9b0881fc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_8c48e45c-709a-4cb8-9b78-73d9b0881fc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance_d861d9cd-321d-4f16-ac44-729bbb4115c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance_d861d9cd-321d-4f16-ac44-729bbb4115c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_22489171-b477-419a-b5de-62608554288c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_22489171-b477-419a-b5de-62608554288c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2513e3f5-d7dd-44d2-a63d-43bbae74eaf9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_2513e3f5-d7dd-44d2-a63d-43bbae74eaf9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_6373104e-aa83-4506-84e6-31f5ab59b44c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInDeposits"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits_6373104e-aa83-4506-84e6-31f5ab59b44c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_5eccc1e4-30ae-4e96-80b8-430ffbf3e6a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_ProceedsFromStockPlans_5eccc1e4-30ae-4e96-80b8-430ffbf3e6a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_d58fc0d3-9c2b-40b2-bc91-aeef71122d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_023c2b20-4f5c-4108-8a89-e78ebfffefbe" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_d58fc0d3-9c2b-40b2-bc91-aeef71122d3f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/SummaryofSignificantAccountingPoliciesScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#SummaryofSignificantAccountingPoliciesScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/SummaryofSignificantAccountingPoliciesScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_2c9d9c53-5682-4dc8-8eeb-45900496e93e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_abc6958d-95c9-49ce-a29e-8283278a9902" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_2c9d9c53-5682-4dc8-8eeb-45900496e93e" xlink:to="loc_us-gaap_Goodwill_abc6958d-95c9-49ce-a29e-8283278a9902" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a5e2b6-9905-4c80-8ec0-a3871e2c316d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_2c9d9c53-5682-4dc8-8eeb-45900496e93e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_95a5e2b6-9905-4c80-8ec0-a3871e2c316d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GoodwillAndFiniteLivedIntangibleAssetsAcquired_fb8c7026-eb8f-4c25-a596-e1db40c709e9" xlink:href="wfsl-20241231.xsd#wfsl_GoodwillAndFiniteLivedIntangibleAssetsAcquired"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_5937eff5-62c2-46a5-af46-82c605218ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GoodwillAndFiniteLivedIntangibleAssetsAcquired_fb8c7026-eb8f-4c25-a596-e1db40c709e9" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_5937eff5-62c2-46a5-af46-82c605218ed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_306ddcb2-3e6b-4792-9106-96c5816fd639" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GoodwillAndFiniteLivedIntangibleAssetsAcquired_fb8c7026-eb8f-4c25-a596-e1db40c709e9" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_306ddcb2-3e6b-4792-9106-96c5816fd639" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/SummaryofSignificantAccountingPoliciesScheduleofFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#SummaryofSignificantAccountingPoliciesScheduleofFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/SummaryofSignificantAccountingPoliciesScheduleofFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_c138816f-1235-4403-82df-a10a43cb5fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_c138816f-1235-4403-82df-a10a43cb5fb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_2e150c0a-86ee-4d4b-acf2-6416d4ea1428" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_2e150c0a-86ee-4d4b-acf2-6416d4ea1428" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_782d764e-8105-4e3e-ba40-b30a6adbdd32" xlink:href="wfsl-20241231.xsd#wfsl_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_wfsl_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_782d764e-8105-4e3e-ba40-b30a6adbdd32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2bf90dd4-9f01-443f-af25-6e93393e737d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2bf90dd4-9f01-443f-af25-6e93393e737d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_b956bd7d-df4a-4b6d-8280-0a66ca1266e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_b956bd7d-df4a-4b6d-8280-0a66ca1266e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_c940200e-d8ab-4fa6-bcf3-3d76a9276652" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_8b77d12c-5f5d-4eae-86dc-a636df9b358c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_c940200e-d8ab-4fa6-bcf3-3d76a9276652" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/BusinessCombinationScheduleofAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#BusinessCombinationScheduleofAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/BusinessCombinationScheduleofAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_dce1fb42-80bb-4932-9f95-d93f8a47abba" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets_dce1fb42-80bb-4932-9f95-d93f8a47abba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance_85503a8b-de7f-4f32-a719-81ad2c8a835d" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBankOwnedLifeInsurance_85503a8b-de7f-4f32-a719-81ad2c8a835d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_e380610b-bc78-4966-a9ca-6b275ad68227" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_e380610b-bc78-4966-a9ca-6b275ad68227" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_cf53909c-89dd-4687-83c9-4412f8c82e35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_cf53909c-89dd-4687-83c9-4412f8c82e35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_25bdd83f-ec7d-4c08-8805-5104c50c1014" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_25bdd83f-ec7d-4c08-8805-5104c50c1014" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_0bb2b9cc-39dd-4ef5-8a91-989b21a6ec60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_0bb2b9cc-39dd-4ef5-8a91-989b21a6ec60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_8c6643d7-87af-4c26-95ea-94bc44c0464e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_8c6643d7-87af-4c26-95ea-94bc44c0464e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFHLBStock_6a824ce7-9d88-47fa-bfc4-f1d19b52ba79" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFHLBStock"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFHLBStock_6a824ce7-9d88-47fa-bfc4-f1d19b52ba79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestReceivable_ad284cd9-e711-4206-ac55-47ea85e2cb04" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestReceivable"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInterestReceivable_ad284cd9-e711-4206-ac55-47ea85e2cb04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_ac26114f-1a33-434d-8b53-ba3d1d596afd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_ac26114f-1a33-434d-8b53-ba3d1d596afd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansHeldForSale_f71a14eb-b4c2-45eb-bc71-90d2d9cfc9e3" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansHeldForSale"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_79f0e69f-23de-45d2-a444-b74de6a14a1a" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansHeldForSale_f71a14eb-b4c2-45eb-bc71-90d2d9cfc9e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerAccounts_900a9014-ace8-4ce9-816f-63bb0ca6e357" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerAccounts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerAccounts_900a9014-ace8-4ce9-816f-63bb0ca6e357" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_6e8cfd45-b140-43e6-a1b7-a86267a2b418" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_6e8cfd45-b140-43e6-a1b7-a86267a2b418" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSeniorDebt_f4ed3b88-0219-4f5d-87dc-dd1d7636a92d" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSeniorDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSeniorDebt_f4ed3b88-0219-4f5d-87dc-dd1d7636a92d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermDebt_844cc719-553d-4993-bc6a-dc993a28f1de" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermDebt_844cc719-553d-4993-bc6a-dc993a28f1de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedJuniorSubordinatedDebentures_af90cc07-a48b-4a0b-9ec1-1d461353c9d2" xlink:href="wfsl-20241231.xsd#wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedJuniorSubordinatedDebentures"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_640bb5c4-42d1-4e51-92be-ec3691d812b4" xlink:to="loc_wfsl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedJuniorSubordinatedDebentures_af90cc07-a48b-4a0b-9ec1-1d461353c9d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_af81e4d2-3aa1-465e-966c-9107b1d3fd5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_1e64844e-47ac-4315-a4ee-def204745852" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_af81e4d2-3aa1-465e-966c-9107b1d3fd5f" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_1e64844e-47ac-4315-a4ee-def204745852" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_7a738f97-a0cf-49f3-9819-8524b8e8b59d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_af81e4d2-3aa1-465e-966c-9107b1d3fd5f" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_7a738f97-a0cf-49f3-9819-8524b8e8b59d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/LoansReceivableScheduleofLoansReceivableDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#LoansReceivableScheduleofLoansReceivableDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/LoansReceivableScheduleofLoansReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_cf3a0015-0fcf-4c60-83d8-d133fe6022a8" xlink:href="wfsl-20241231.xsd#wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_1e8ac0ad-9a23-43e9-9c89-e0b04a0ec713" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_cf3a0015-0fcf-4c60-83d8-d133fe6022a8" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_1e8ac0ad-9a23-43e9-9c89-e0b04a0ec713" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableLoanInProcess_c347dc84-cd10-4d0c-9ecf-3deb3c4388a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableLoanInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_cf3a0015-0fcf-4c60-83d8-d133fe6022a8" xlink:to="loc_us-gaap_FinancingReceivableLoanInProcess_c347dc84-cd10-4d0c-9ecf-3deb3c4388a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_f4696309-9ab4-405c-a7c2-4c3e47b0387c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_cf3a0015-0fcf-4c60-83d8-d133fe6022a8" xlink:to="loc_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_f4696309-9ab4-405c-a7c2-4c3e47b0387c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_af94e43b-c422-48f9-a390-970726053bd0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_ba65835e-c93e-4e87-83ee-d1a212580df7" xlink:href="wfsl-20241231.xsd#wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_af94e43b-c422-48f9-a390-970726053bd0" xlink:to="loc_wfsl_FinancingReceivableChargesToAllowanceLoansInProcessAndDeferredFees_ba65835e-c93e-4e87-83ee-d1a212580df7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_ffb94c25-7f57-49aa-85e3-d1fcb455206e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_af94e43b-c422-48f9-a390-970726053bd0" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_ffb94c25-7f57-49aa-85e3-d1fcb455206e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/LoansReceivableLoansBasedonCreditQualityIndicatorsDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#LoansReceivableLoansBasedonCreditQualityIndicatorsDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/LoansReceivableLoansBasedonCreditQualityIndicatorsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_10d05e61-ad74-4b39-8c40-88abb8edfb80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_10d05e61-ad74-4b39-8c40-88abb8edfb80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_b27fb64c-794c-4056-9b8b-f2a6872dcb22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_b27fb64c-794c-4056-9b8b-f2a6872dcb22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_4ea9cbf3-cfaf-4c63-a74a-bf8d50c748cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_4ea9cbf3-cfaf-4c63-a74a-bf8d50c748cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_5f23093d-1353-41e0-a538-02c5219fc082" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_5f23093d-1353-41e0-a538-02c5219fc082" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_34f6008c-3932-461b-b7e0-b8ad9ed7e2c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_34f6008c-3932-461b-b7e0-b8ad9ed7e2c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_f1897f0d-08b1-4048-b3e6-ee79c3832e2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_f1897f0d-08b1-4048-b3e6-ee79c3832e2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_07a78750-45fb-4bfe-b47f-bce339e27087" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolving"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_07a78750-45fb-4bfe-b47f-bce339e27087" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_50c276ec-7967-4f22-9c42-954242db6b45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent_33befce5-3cee-49c2-812c-5a7cdd145a03" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_50c276ec-7967-4f22-9c42-954242db6b45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_7b36596c-1ca5-437a-b20b-9dde8bc1d05b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_7b36596c-1ca5-437a-b20b-9dde8bc1d05b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_9553bae1-9b7e-4e44-a935-2068bd97671a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_9553bae1-9b7e-4e44-a935-2068bd97671a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_6b03ea31-10a6-4d54-b3eb-9d48fd06fb0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_6b03ea31-10a6-4d54-b3eb-9d48fd06fb0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_ec937874-e0d7-4952-a135-9ebb3f25b113" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_ec937874-e0d7-4952-a135-9ebb3f25b113" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_499a58f1-1a6d-43ef-8406-d15c16647566" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_499a58f1-1a6d-43ef-8406-d15c16647566" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_ef8d0f44-abe0-4824-8cc0-5ffd59fbdaa6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_ef8d0f44-abe0-4824-8cc0-5ffd59fbdaa6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_a31fc1db-ce64-4540-b8dc-6ce78e075ff0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_a31fc1db-ce64-4540-b8dc-6ce78e075ff0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_7d866caa-4fa7-4a7b-9b3c-1f23db7b2e06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_6c3a5792-9c5e-4f91-a8ec-2e471c90ccd1" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_7d866caa-4fa7-4a7b-9b3c-1f23db7b2e06" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/FairValueMeasurementsFairValueMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#FairValueMeasurementsFairValueMeasuredonRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/FairValueMeasurementsFairValueMeasuredonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_0658824e-3a78-4c80-af72-528b9919ab81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_cbdf2aa5-97d4-4b32-a34e-190cfeaf4464" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_0658824e-3a78-4c80-af72-528b9919ab81" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_cbdf2aa5-97d4-4b32-a34e-190cfeaf4464" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_14db41ab-dc41-49ed-8a20-9f40f63f59e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_0658824e-3a78-4c80-af72-528b9919ab81" xlink:to="loc_us-gaap_DerivativeAssets_14db41ab-dc41-49ed-8a20-9f40f63f59e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_edd93524-f868-44be-abee-16b3c1b3f277" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_a6c8908b-0b06-4c79-9c2a-959bf7aec7c6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosure_edd93524-f868-44be-abee-16b3c1b3f277" xlink:to="loc_us-gaap_DerivativeLiabilities_a6c8908b-0b06-4c79-9c2a-959bf7aec7c6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_3d306035-80fb-4862-a925-72e1ec696c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_9b41bc8d-0c28-410d-92de-0e77e7c0e0ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_3d306035-80fb-4862-a925-72e1ec696c3b" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_9b41bc8d-0c28-410d-92de-0e77e7c0e0ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_86894d5e-a1f9-4bb0-b1d1-3e2a92916921" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InvestmentsFairValueDisclosure_3d306035-80fb-4862-a925-72e1ec696c3b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_86894d5e-a1f9-4bb0-b1d1-3e2a92916921" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_f2523cbf-a372-4b34-9fe3-f956746c0ca2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_c0392f69-7ba1-47e0-a5d2-2132d7466fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_f2523cbf-a372-4b34-9fe3-f956746c0ca2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_c0392f69-7ba1-47e0-a5d2-2132d7466fb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOverTenYears_5cc14c44-fbaa-40c0-8f8a-25f5a9bb59ec" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOverTenYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_f2523cbf-a372-4b34-9fe3-f956746c0ca2" xlink:to="loc_wfsl_GrossUnrealizedLossesOverTenYears_5cc14c44-fbaa-40c0-8f8a-25f5a9bb59ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterTenYears_bb5f7841-e73a-4957-92bb-a48b472834a2" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterTenYears"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_f2523cbf-a372-4b34-9fe3-f956746c0ca2" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterTenYears_bb5f7841-e73a-4957-92bb-a48b472834a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears_24b73596-60ec-4853-9840-5ff7cde40769" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:to="loc_wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears_24b73596-60ec-4853-9840-5ff7cde40769" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOverTenYears_264e5d1a-1c63-49b2-a6ef-1546b2ef9edf" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOverTenYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:to="loc_wfsl_GrossUnrealizedLossesOverTenYears_264e5d1a-1c63-49b2-a6ef-1546b2ef9edf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears_ef82a8a9-95ca-4306-bf0c-fcd867bd5e61" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:to="loc_wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears_ef82a8a9-95ca-4306-bf0c-fcd867bd5e61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesWithoutSingleMaturity_47921c77-6845-4544-83ab-7e447804de95" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesWithoutSingleMaturity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:to="loc_wfsl_GrossUnrealizedLossesWithoutSingleMaturity_47921c77-6845-4544-83ab-7e447804de95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOneYear_8677c4c4-87f5-427b-ba15-0da1ffa931c5" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOneYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_9d7c24c0-7dd9-496c-80a8-ad66ae55de87" xlink:to="loc_wfsl_GrossUnrealizedLossesOneYear_8677c4c4-87f5-427b-ba15-0da1ffa931c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears_4db496e7-9389-43a7-a757-477c4760e8d3" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears_4db496e7-9389-43a7-a757-477c4760e8d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears_b8cb614d-2d2b-48a7-9671-96d0813bc986" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears_b8cb614d-2d2b-48a7-9671-96d0813bc986" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterTenYears_ac197cc0-d19a-4f44-be88-c94623faac67" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterTenYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterTenYears_ac197cc0-d19a-4f44-be88-c94623faac67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsWithoutSingleMaturity_db127503-38e5-4b17-a6f7-9b54557313a1" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsWithoutSingleMaturity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:to="loc_wfsl_GrossUnrealizedGainsWithoutSingleMaturity_db127503-38e5-4b17-a6f7-9b54557313a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsOneYear_d80fdfa6-d5ff-4889-85a3-4457c4ace16d" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsOneYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_af6e8cf0-a992-4910-946c-05ef11404436" xlink:to="loc_wfsl_GrossUnrealizedGainsOneYear_d80fdfa6-d5ff-4889-85a3-4457c4ace16d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_c20be296-4130-4478-807f-b6b8057a6a42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_a9de8c61-7616-47d4-9faf-84db7319a01a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_c20be296-4130-4478-807f-b6b8057a6a42" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_a9de8c61-7616-47d4-9faf-84db7319a01a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears_c30e0fea-08cd-409c-ad04-863f4bfc251f" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_c20be296-4130-4478-807f-b6b8057a6a42" xlink:to="loc_wfsl_GrossUnrealizedLossesAfterOneThroughFiveYears_c30e0fea-08cd-409c-ad04-863f4bfc251f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears_46c63fd5-59cf-495d-9563-f2c928b3fad4" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_c20be296-4130-4478-807f-b6b8057a6a42" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterOneThroughFiveYears_46c63fd5-59cf-495d-9563-f2c928b3fad4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsOnInvestments_1302cabf-13ea-491e-8574-f9e36eac04c9" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsOnInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_dc00e9c8-68d6-4a30-89c4-2bae9e64bff1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GrossUnrealizedGainsOnInvestments_1302cabf-13ea-491e-8574-f9e36eac04c9" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_dc00e9c8-68d6-4a30-89c4-2bae9e64bff1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_fde73a59-b6d9-49b2-88e1-fbde22e85fa0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GrossUnrealizedGainsOnInvestments_1302cabf-13ea-491e-8574-f9e36eac04c9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_fde73a59-b6d9-49b2-88e1-fbde22e85fa0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_5145609e-6ba0-45d5-9de8-9f55d6d5b478" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_9534dbc8-5fc8-4907-bd31-14a0a5ecfcd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_5145609e-6ba0-45d5-9de8-9f55d6d5b478" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_9534dbc8-5fc8-4907-bd31-14a0a5ecfcd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_cc9b7d8a-fa94-40f8-a2b0-e4d9b404f11e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_5145609e-6ba0-45d5-9de8-9f55d6d5b478" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_cc9b7d8a-fa94-40f8-a2b0-e4d9b404f11e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOnInvestments_497f5999-1761-4c59-b3d1-1c2168319d85" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOnInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_8ccd05d8-bbab-409d-86f8-5b9ec54a720d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GrossUnrealizedLossesOnInvestments_497f5999-1761-4c59-b3d1-1c2168319d85" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_8ccd05d8-bbab-409d-86f8-5b9ec54a720d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_ac855563-f1fe-4412-bf5a-4cde7871e769" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_GrossUnrealizedLossesOnInvestments_497f5999-1761-4c59-b3d1-1c2168319d85" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_ac855563-f1fe-4412-bf5a-4cde7871e769" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_72101df2-4ad1-442c-89ee-8f5b6507469e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears_c51cb496-ffde-4f41-a56e-c91468377442" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_72101df2-4ad1-442c-89ee-8f5b6507469e" xlink:to="loc_wfsl_GrossUnrealizedLossesAfterFiveYearsThroughTenYears_c51cb496-ffde-4f41-a56e-c91468377442" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_7322b3b6-e64f-41e1-99f7-1f64b4135a8e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_72101df2-4ad1-442c-89ee-8f5b6507469e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_7322b3b6-e64f-41e1-99f7-1f64b4135a8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears_d4daebcb-68f9-49c9-bd83-5e1ca39c6498" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_72101df2-4ad1-442c-89ee-8f5b6507469e" xlink:to="loc_wfsl_GrossUnrealizedGainsAfterFiveThroughTenYears_d4daebcb-68f9-49c9-bd83-5e1ca39c6498" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_181a098d-9c3b-43f7-9da2-8a5554b1ad4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_181a098d-9c3b-43f7-9da2-8a5554b1ad4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_8eac2b16-1074-47d5-bf21-db6ba4e57ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_8eac2b16-1074-47d5-bf21-db6ba4e57ef3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_edf40480-8dd6-4bbf-922c-25ebff24f902" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_edf40480-8dd6-4bbf-922c-25ebff24f902" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_b14055bd-f54a-4f87-86ed-9ba59469992b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_b14055bd-f54a-4f87-86ed-9ba59469992b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_b27d0705-14e8-428b-86a5-ebbf1b6d3d18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_066848e5-70c1-4f47-bdcc-c0909051102d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_b27d0705-14e8-428b-86a5-ebbf1b6d3d18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_1732dd30-262e-40c5-b4ef-c49e67e7e90e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesWithoutSingleMaturity_9b74d107-feb4-404b-a2c2-d2de6698d732" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesWithoutSingleMaturity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_1732dd30-262e-40c5-b4ef-c49e67e7e90e" xlink:to="loc_wfsl_GrossUnrealizedLossesWithoutSingleMaturity_9b74d107-feb4-404b-a2c2-d2de6698d732" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_a0046c3a-5a45-4540-95c4-8484640b7d6a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_1732dd30-262e-40c5-b4ef-c49e67e7e90e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_a0046c3a-5a45-4540-95c4-8484640b7d6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsWithoutSingleMaturity_f6595d08-7ea6-4463-84dd-428b35a9ef5f" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsWithoutSingleMaturity"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_1732dd30-262e-40c5-b4ef-c49e67e7e90e" xlink:to="loc_wfsl_GrossUnrealizedGainsWithoutSingleMaturity_f6595d08-7ea6-4463-84dd-428b35a9ef5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_bb59f5ca-6e93-4d6a-9b53-3c9533220000" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_38a25cbf-bbdc-44f6-a9f0-a8b6f349f516" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_bb59f5ca-6e93-4d6a-9b53-3c9533220000" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_38a25cbf-bbdc-44f6-a9f0-a8b6f349f516" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsOneYear_f092ee1c-9883-4ae2-8e47-851fa0b603e2" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsOneYear"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_bb59f5ca-6e93-4d6a-9b53-3c9533220000" xlink:to="loc_wfsl_GrossUnrealizedGainsOneYear_f092ee1c-9883-4ae2-8e47-851fa0b603e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOneYear_05455411-dc0f-46df-8691-c8bbf6f24967" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOneYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_bb59f5ca-6e93-4d6a-9b53-3c9533220000" xlink:to="loc_wfsl_GrossUnrealizedLossesOneYear_05455411-dc0f-46df-8691-c8bbf6f24967" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_af62fbac-b0d6-4052-b4d9-8b8afb56dadc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0899c665-00ab-4bab-8737-6fefbc8223d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_af62fbac-b0d6-4052-b4d9-8b8afb56dadc" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_0899c665-00ab-4bab-8737-6fefbc8223d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_39d5dab6-29c6-4435-9d17-7891cf2a6346" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_af62fbac-b0d6-4052-b4d9-8b8afb56dadc" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_39d5dab6-29c6-4435-9d17-7891cf2a6346" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4d7bc77c-b44b-4610-8c16-6ac5a00012ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_af62fbac-b0d6-4052-b4d9-8b8afb56dadc" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4d7bc77c-b44b-4610-8c16-6ac5a00012ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_7646d42b-a5b0-42e1-a395-eb3c6c2305b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_41d71635-add6-4acf-95d6-0f95cb5af1ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_7646d42b-a5b0-42e1-a395-eb3c6c2305b4" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_41d71635-add6-4acf-95d6-0f95cb5af1ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_b4f24e58-4793-4f06-a0ba-e0150affb99e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_7646d42b-a5b0-42e1-a395-eb3c6c2305b4" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_b4f24e58-4793-4f06-a0ba-e0150affb99e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_0dc9d42f-3c86-4008-8f5e-ce45023d3049" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_7646d42b-a5b0-42e1-a395-eb3c6c2305b4" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_0dc9d42f-3c86-4008-8f5e-ce45023d3049" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails_1" xlink:type="simple" xlink:href="wfsl-20241231.xsd#FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails_1"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/FairValueMeasurementsInvestmentsbyContractualMaturityDateDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_7032483f-90b7-49b1-ad0c-e71aff9dd756" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedLossesOnInvestments_c3d9caf1-c789-4578-9cd5-0d340cdbc301" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedLossesOnInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_7032483f-90b7-49b1-ad0c-e71aff9dd756" xlink:to="loc_wfsl_GrossUnrealizedLossesOnInvestments_c3d9caf1-c789-4578-9cd5-0d340cdbc301" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_GrossUnrealizedGainsOnInvestments_5498da5f-372b-403e-b60c-1474b2e72eef" xlink:href="wfsl-20241231.xsd#wfsl_GrossUnrealizedGainsOnInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_7032483f-90b7-49b1-ad0c-e71aff9dd756" xlink:to="loc_wfsl_GrossUnrealizedGainsOnInvestments_5498da5f-372b-403e-b60c-1474b2e72eef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_fcf439cf-3c64-412e-bc77-3db5e452fe0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_7032483f-90b7-49b1-ad0c-e71aff9dd756" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_fcf439cf-3c64-412e-bc77-3db5e452fe0f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue_e8be4d59-2214-4652-b304-514642b66c78" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_314695e2-7151-4374-b18d-60f3f26311fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue_e8be4d59-2214-4652-b304-514642b66c78" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_314695e2-7151-4374-b18d-60f3f26311fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_486736e2-4c0e-4a37-96e9-d0b2a554682c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue_e8be4d59-2214-4652-b304-514642b66c78" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_486736e2-4c0e-4a37-96e9-d0b2a554682c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_fc52560d-3e67-4c63-9dda-0eec12f70a01" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_20df7258-7f0b-4517-a18f-866c96b6889d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_fc52560d-3e67-4c63-9dda-0eec12f70a01" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_20df7258-7f0b-4517-a18f-866c96b6889d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_2393bac3-29fd-4e23-b1d1-267766cae510" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_fc52560d-3e67-4c63-9dda-0eec12f70a01" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_2393bac3-29fd-4e23-b1d1-267766cae510" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_2857becd-1777-4a23-854f-77b45f3cd730" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesUnrealizedLossPositionFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue_24b6df1b-1d77-43c2-a5c7-05407b5e676a" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_2857becd-1777-4a23-854f-77b45f3cd730" xlink:to="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue_24b6df1b-1d77-43c2-a5c7-05407b5e676a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue_14ce4069-29e6-4450-a772-c757cbfe2851" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_2857becd-1777-4a23-854f-77b45f3cd730" xlink:to="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue_14ce4069-29e6-4450-a772-c757cbfe2851" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_823b913d-1515-4656-8b34-adfca48a5572" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_7699c1f4-7f5c-4ecb-95ac-d380f94acf17" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_823b913d-1515-4656-8b34-adfca48a5572" xlink:to="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_7699c1f4-7f5c-4ecb-95ac-d380f94acf17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_ec30e9e8-ff6e-4604-8288-47c95a0a424c" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_823b913d-1515-4656-8b34-adfca48a5572" xlink:to="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_ec30e9e8-ff6e-4604-8288-47c95a0a424c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue_eeefabcd-e411-4c16-93af-24707fc6933f" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_91161f10-eef0-4e27-828f-4f8f6c2b04b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue_eeefabcd-e411-4c16-93af-24707fc6933f" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_91161f10-eef0-4e27-828f-4f8f6c2b04b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_a30bb94d-1a80-44fc-bb72-61d631b57f55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue_eeefabcd-e411-4c16-93af-24707fc6933f" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_a30bb94d-1a80-44fc-bb72-61d631b57f55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_3987eab1-c01e-446b-ad1c-57152568974f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_3c6341e4-f579-4861-a543-070002799b65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_3987eab1-c01e-446b-ad1c-57152568974f" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_3c6341e4-f579-4861-a543-070002799b65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_8989a6a3-0352-4655-b88a-ac62ce901082" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_3987eab1-c01e-446b-ad1c-57152568974f" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_8989a6a3-0352-4655-b88a-ac62ce901082" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_b6ebc26a-ef0d-477e-bf99-29ef03949b8b" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_35b3c524-fecb-409a-86f9-c56654763d6b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_b6ebc26a-ef0d-477e-bf99-29ef03949b8b" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_35b3c524-fecb-409a-86f9-c56654763d6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d9aa896d-3d85-43f3-9fe8-02f2c7f7917d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_b6ebc26a-ef0d-477e-bf99-29ef03949b8b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d9aa896d-3d85-43f3-9fe8-02f2c7f7917d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_d6363e98-ba7d-40b5-8bd2-05f0266dba60" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_292f6604-101c-4269-8b93-fd12d0635618" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_d6363e98-ba7d-40b5-8bd2-05f0266dba60" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_292f6604-101c-4269-8b93-fd12d0635618" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_45afde34-f45c-4fac-b245-f67d82e9cbe3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_d6363e98-ba7d-40b5-8bd2-05f0266dba60" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_45afde34-f45c-4fac-b245-f67d82e9cbe3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_1d2fa244-2e9b-42fd-aab7-f924340a77b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_26d25020-ff3e-4077-92a7-d8f5d63dd184" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_1d2fa244-2e9b-42fd-aab7-f924340a77b6" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_26d25020-ff3e-4077-92a7-d8f5d63dd184" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_7c3ab06d-a553-4286-b0a6-7606e472f7a6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_1d2fa244-2e9b-42fd-aab7-f924340a77b6" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_7c3ab06d-a553-4286-b0a6-7606e472f7a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_b6f17208-b6b5-4317-8fdc-7164d95a583a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_146d76d5-f091-4999-8460-75450265a439" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_b6f17208-b6b5-4317-8fdc-7164d95a583a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_146d76d5-f091-4999-8460-75450265a439" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_c6213c07-c5dd-455c-b1af-91180ffd607d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_b6f17208-b6b5-4317-8fdc-7164d95a583a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_c6213c07-c5dd-455c-b1af-91180ffd607d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails_1" xlink:type="simple" xlink:href="wfsl-20241231.xsd#FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails_1"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/FairValueMeasurementsSecuritiesinUnrealizedLossPositionsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_c9f7a3bb-fa91-4f6b-abb2-5bfc153fbb18" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesUnrealizedLossPositionFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_bddc7178-3545-45c8-b6c7-3ba6fc6b2dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_c9f7a3bb-fa91-4f6b-abb2-5bfc153fbb18" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_bddc7178-3545-45c8-b6c7-3ba6fc6b2dc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_a042d46a-dbc7-454d-8815-f422a1a21e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionFairValue_c9f7a3bb-fa91-4f6b-abb2-5bfc153fbb18" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_a042d46a-dbc7-454d-8815-f422a1a21e1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_555e67fe-7ff5-4680-a185-4742f8841e72" xlink:href="wfsl-20241231.xsd#wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_c4626adf-359a-4989-9bdd-cefc1cfb4db3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_555e67fe-7ff5-4680-a185-4742f8841e72" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_c4626adf-359a-4989-9bdd-cefc1cfb4db3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_470d5b7f-8ff6-4272-8375-248536a9ccd0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_wfsl_DebtSecuritiesUnrealizedLossPositionAccumulatedLoss_555e67fe-7ff5-4680-a185-4742f8841e72" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_470d5b7f-8ff6-4272-8375-248536a9ccd0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/DerivativesandHedgingActivitiesImpactofDerivativeInstrumentsonAOCIDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#DerivativesandHedgingActivitiesImpactofDerivativeInstrumentsonAOCIDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/DerivativesandHedgingActivitiesImpactofDerivativeInstrumentsonAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_00162254-5939-4bae-b85f-5a704c53be0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_f5ebec2c-4d38-4621-8f32-43c94ea3d199" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_00162254-5939-4bae-b85f-5a704c53be0b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_f5ebec2c-4d38-4621-8f32-43c94ea3d199" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_d3266d86-0b43-4fcc-b95b-c09e4d4a0444" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_00162254-5939-4bae-b85f-5a704c53be0b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_d3266d86-0b43-4fcc-b95b-c09e4d4a0444" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.washingtonfederal.com/role/DerivativesandHedgingActivitiesGainsLossesonDerivativeInstrumentsinFairValueandCashFlowAccountingHedgingRelationshipsDetails" xlink:type="simple" xlink:href="wfsl-20241231.xsd#DerivativesandHedgingActivitiesGainsLossesonDerivativeInstrumentsinFairValueandCashFlowAccountingHedgingRelationshipsDetails"/>
  <link:calculationLink xlink:role="http://www.washingtonfederal.com/role/DerivativesandHedgingActivitiesGainsLossesonDerivativeInstrumentsinFairValueandCashFlowAccountingHedgingRelationshipsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_678a2de9-fc3d-4937-a463-19e25030a351" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_ChangeInUnrealizedGainLossOnFairValueHedgingInstrumentsRelatedToInterestSettlements_3a709e7c-3122-4644-b41b-2f5f5bb1d4c0" xlink:href="wfsl-20241231.xsd#wfsl_ChangeInUnrealizedGainLossOnFairValueHedgingInstrumentsRelatedToInterestSettlements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_678a2de9-fc3d-4937-a463-19e25030a351" xlink:to="loc_wfsl_ChangeInUnrealizedGainLossOnFairValueHedgingInstrumentsRelatedToInterestSettlements_3a709e7c-3122-4644-b41b-2f5f5bb1d4c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_25063662-f92f-4beb-8954-99bf234a88b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_678a2de9-fc3d-4937-a463-19e25030a351" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_25063662-f92f-4beb-8954-99bf234a88b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_b20ea8f8-37f7-4539-bf7b-19a766ac0753" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_678a2de9-fc3d-4937-a463-19e25030a351" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_b20ea8f8-37f7-4539-bf7b-19a766ac0753" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_619e05b8-9692-4c5f-b784-62b1a9790a09" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:loc xlink:type="locator" xlink:label="loc_wfsl_ChangeInUnrealizedGainLossOnCashFlowHedgingInstrumentsRelatedToInterestSettlements_34c8c5fe-ad18-4a96-92d6-696b92083ce2" xlink:href="wfsl-20241231.xsd#wfsl_ChangeInUnrealizedGainLossOnCashFlowHedgingInstrumentsRelatedToInterestSettlements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_619e05b8-9692-4c5f-b784-62b1a9790a09" xlink:to="loc_wfsl_ChangeInUnrealizedGainLossOnCashFlowHedgingInstrumentsRelatedToInterestSettlements_34c8c5fe-ad18-4a96-92d6-696b92083ce2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_217cec4b-6b4e-46c2-ba7f-21efd298571c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_619e05b8-9692-4c5f-b784-62b1a9790a09" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_217cec4b-6b4e-46c2-ba7f-21efd298571c" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
