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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:27043b88-00e2-4e78-8124-7c7ad29da62c,g:bc0fff95-bdf7-408f-b920-d7a085911104-->
<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.bluelinxco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="bxc-20250329.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_f5f8c365-0d4a-40b9-ae06-eb53056f7906" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_8362d086-ec22-4097-8862-4eda4c0ed0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f5f8c365-0d4a-40b9-ae06-eb53056f7906" xlink:to="loc_us-gaap_GrossProfit_8362d086-ec22-4097-8862-4eda4c0ed0a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_a1e534fd-92b9-4528-83dc-8d077f91135b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f5f8c365-0d4a-40b9-ae06-eb53056f7906" xlink:to="loc_us-gaap_OperatingExpenses_a1e534fd-92b9-4528-83dc-8d077f91135b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ce933eaa-b1ab-483c-a0c2-0874daaf1c54" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2ded68eb-90df-4ddd-b06b-7b5d6bd3aeab" 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_GrossProfit_ce933eaa-b1ab-483c-a0c2-0874daaf1c54" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2ded68eb-90df-4ddd-b06b-7b5d6bd3aeab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_ca9d3bfa-f41c-4249-9ca6-2d4b2e96b5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ce933eaa-b1ab-483c-a0c2-0874daaf1c54" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_ca9d3bfa-f41c-4249-9ca6-2d4b2e96b5cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_25138e98-0e02-4b92-827d-6dfa68b9b0ef" 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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_68e693e7-7329-4ecc-8ad4-2e3279d1f8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_25138e98-0e02-4b92-827d-6dfa68b9b0ef" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_68e693e7-7329-4ecc-8ad4-2e3279d1f8bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0b543a92-8bd6-4929-8193-3c20846ffdd2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_25138e98-0e02-4b92-827d-6dfa68b9b0ef" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0b543a92-8bd6-4929-8193-3c20846ffdd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_64577446-20e2-47f7-b991-dc6e8f4f2298" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_73e4b16c-14cd-40ff-aaf7-6ca807d68265" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_64577446-20e2-47f7-b991-dc6e8f4f2298" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_73e4b16c-14cd-40ff-aaf7-6ca807d68265" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0751039d-058c-46cf-ac7f-930342508cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_64577446-20e2-47f7-b991-dc6e8f4f2298" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0751039d-058c-46cf-ac7f-930342508cf1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_27747f9e-d1d6-441f-927e-591accb976e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_64577446-20e2-47f7-b991-dc6e8f4f2298" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_27747f9e-d1d6-441f-927e-591accb976e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_AmortizationOfDeferredGainsOnRealEstate_6d37fba7-a98d-4cd3-96c1-7ad14bc1cac5" xlink:href="bxc-20250329.xsd#bxc_AmortizationOfDeferredGainsOnRealEstate"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_64577446-20e2-47f7-b991-dc6e8f4f2298" xlink:to="loc_bxc_AmortizationOfDeferredGainsOnRealEstate_6d37fba7-a98d-4cd3-96c1-7ad14bc1cac5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1c55dc2b-9178-4d4e-8a78-a054fd8f64d9" 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_OperatingIncomeLoss_72d73e13-840f-4e26-9178-5cc1c90b5551" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1c55dc2b-9178-4d4e-8a78-a054fd8f64d9" xlink:to="loc_us-gaap_OperatingIncomeLoss_72d73e13-840f-4e26-9178-5cc1c90b5551" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_ed1f8bf1-5187-41aa-84f6-eb9cbba0dee1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1c55dc2b-9178-4d4e-8a78-a054fd8f64d9" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_ed1f8bf1-5187-41aa-84f6-eb9cbba0dee1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="bxc-20250329.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" 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_AssetsCurrent_5a6913a1-57fb-476b-8f34-16892178bb14" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_AssetsCurrent_5a6913a1-57fb-476b-8f34-16892178bb14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6997358a-7a0b-4ada-9769-367c3a29152e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_6997358a-7a0b-4ada-9769-367c3a29152e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_efbeed9d-caac-41ff-84e8-482043c5fb89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_efbeed9d-caac-41ff-84e8-482043c5fb89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_b12d82f3-aba7-4a55-9c59-4dc70e092c80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_Goodwill_b12d82f3-aba7-4a55-9c59-4dc70e092c80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7cd2263b-08d3-41c0-8df9-cf0a7cfd0108" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7cd2263b-08d3-41c0-8df9-cf0a7cfd0108" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_64bbdf14-4af9-4cd0-b841-5ea1e4ec2fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_64bbdf14-4af9-4cd0-b841-5ea1e4ec2fb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_1e10e405-fc4c-4f40-bfb3-0ba356aa1eda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_8fc2b8f5-c71b-4be1-a0ae-1a7a3e6f4e4e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_1e10e405-fc4c-4f40-bfb3-0ba356aa1eda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent_605808da-e7b7-4bc4-ab24-ee8e5c083622" xlink:href="bxc-20250329.xsd#bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent_605808da-e7b7-4bc4-ab24-ee8e5c083622" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_63dc6df4-ca5b-4244-9af3-593c6ec467fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_us-gaap_AccountsPayableCurrent_63dc6df4-ca5b-4244-9af3-593c6ec467fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_61b415c4-070c-42a7-8578-db73059a287a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_61b415c4-070c-42a7-8578-db73059a287a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_622c46f8-8524-4872-aabe-e2eca40d8e06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_622c46f8-8524-4872-aabe-e2eca40d8e06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_41dad857-ba93-4f64-ac4e-2f10af3aca11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_41dad857-ba93-4f64-ac4e-2f10af3aca11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_71344ef1-dbc8-451a-b9fb-35258b262401" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_4cce41a7-c097-49c5-b779-d57276c434cf" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_71344ef1-dbc8-451a-b9fb-35258b262401" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_bb4cb991-63e5-4982-930d-8f7de3f8d6ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4c142406-6dfb-46e8-92ac-4d4ce8142d3d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_bb4cb991-63e5-4982-930d-8f7de3f8d6ae" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4c142406-6dfb-46e8-92ac-4d4ce8142d3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_f3838fa9-2a65-4e62-8389-8373ebb359b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_bb4cb991-63e5-4982-930d-8f7de3f8d6ae" xlink:to="loc_us-gaap_ReceivablesNetCurrent_f3838fa9-2a65-4e62-8389-8373ebb359b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_154c871e-0aae-4ada-a7fd-d6f47f24f1f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_bb4cb991-63e5-4982-930d-8f7de3f8d6ae" xlink:to="loc_us-gaap_InventoryNet_154c871e-0aae-4ada-a7fd-d6f47f24f1f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_3b3eb2ff-8010-43c7-a49b-5ad2b4237ba0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_bb4cb991-63e5-4982-930d-8f7de3f8d6ae" xlink:to="loc_us-gaap_OtherAssetsCurrent_3b3eb2ff-8010-43c7-a49b-5ad2b4237ba0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65abd74d-198d-4032-b967-c03adc75f40d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_6fdea48c-cece-48ea-8c13-57a665fd5302" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65abd74d-198d-4032-b967-c03adc75f40d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_6fdea48c-cece-48ea-8c13-57a665fd5302" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_29394433-a5d1-40a8-8752-206aca03e7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_65abd74d-198d-4032-b967-c03adc75f40d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_29394433-a5d1-40a8-8752-206aca03e7f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" 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_LongTermDebtNoncurrent_4a9f0e91-0f5f-4459-9c62-92f78d5c60d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_4a9f0e91-0f5f-4459-9c62-92f78d5c60d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_80411db0-bb7c-4c50-9144-d67b260f693a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_80411db0-bb7c-4c50-9144-d67b260f693a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent_86cd0f3d-286a-4adf-8171-ce0ce8ffd559" xlink:href="bxc-20250329.xsd#bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent_86cd0f3d-286a-4adf-8171-ce0ce8ffd559" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_dde137fb-f088-4eaf-838e-bb67c3df1311" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_dde137fb-f088-4eaf-838e-bb67c3df1311" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_7707d5e4-f974-42a2-94cd-1dc16d53f0f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_us-gaap_LiabilitiesCurrent_7707d5e4-f974-42a2-94cd-1dc16d53f0f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_1ddcefa3-9ffe-4ab9-8a1c-7c294d568194" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_eb7fbb9d-806e-4298-b516-9dea24778d3c" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_1ddcefa3-9ffe-4ab9-8a1c-7c294d568194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_589d9485-bbe1-40f7-8d54-5a4e1c41054e" 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_CommonStockValueOutstanding_735cd060-64cc-49c0-b0c5-465a36a0bdad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValueOutstanding"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_589d9485-bbe1-40f7-8d54-5a4e1c41054e" xlink:to="loc_us-gaap_CommonStockValueOutstanding_735cd060-64cc-49c0-b0c5-465a36a0bdad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValueOutstanding_f6a2398a-54e4-45cf-bc5c-9261ece05555" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValueOutstanding"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_589d9485-bbe1-40f7-8d54-5a4e1c41054e" xlink:to="loc_us-gaap_PreferredStockValueOutstanding_f6a2398a-54e4-45cf-bc5c-9261ece05555" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_d5822337-d2f5-42c4-86f5-70a7ae424a47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_589d9485-bbe1-40f7-8d54-5a4e1c41054e" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_d5822337-d2f5-42c4-86f5-70a7ae424a47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_ea9756c1-a4f6-453d-a643-4e80ff88484a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_589d9485-bbe1-40f7-8d54-5a4e1c41054e" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_ea9756c1-a4f6-453d-a643-4e80ff88484a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b5511c5-13fd-4318-88be-0205cfc04fbc" 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_cc9e0bee-d53f-4c26-a16b-d0f57a377390" 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_8b5511c5-13fd-4318-88be-0205cfc04fbc" xlink:to="loc_us-gaap_Liabilities_cc9e0bee-d53f-4c26-a16b-d0f57a377390" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_ea3680f1-cdd0-4362-8f2a-150f97fab00f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b5511c5-13fd-4318-88be-0205cfc04fbc" xlink:to="loc_us-gaap_StockholdersEquity_ea3680f1-cdd0-4362-8f2a-150f97fab00f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f11b1431-bcf3-444c-ab38-ca56b820a060" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b5511c5-13fd-4318-88be-0205cfc04fbc" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f11b1431-bcf3-444c-ab38-ca56b820a060" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="bxc-20250329.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f62332f6-e2e0-4dcb-b6e9-c385c785d1a4" 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_6e928bde-bae9-48ef-9ac0-c003f7ab45f3" 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_f62332f6-e2e0-4dcb-b6e9-c385c785d1a4" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_6e928bde-bae9-48ef-9ac0-c003f7ab45f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_6ba7d67f-bf07-4028-8ed6-05a7c1ae17a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f62332f6-e2e0-4dcb-b6e9-c385c785d1a4" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_6ba7d67f-bf07-4028-8ed6-05a7c1ae17a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_deed7a7e-e80d-475a-88ab-dd4791b6115b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_f62332f6-e2e0-4dcb-b6e9-c385c785d1a4" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_deed7a7e-e80d-475a-88ab-dd4791b6115b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" 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_IncreaseDecreaseInReceivables_ea1a4c30-9e11-4c0d-b438-1fd4b1db761c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_ea1a4c30-9e11-4c0d-b438-1fd4b1db761c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_AmortizationofDeferredGains_4f7195cc-95ce-4081-b792-773fed7b5707" xlink:href="bxc-20250329.xsd#bxc_AmortizationofDeferredGains"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_bxc_AmortizationofDeferredGains_4f7195cc-95ce-4081-b792-773fed7b5707" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_47dad653-dbad-4349-9c91-ab6b402c2235" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_47dad653-dbad-4349-9c91-ab6b402c2235" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_91b5cef5-a7e5-4d78-9e0a-b2430aa6bcfc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_NetIncomeLoss_91b5cef5-a7e5-4d78-9e0a-b2430aa6bcfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_da96a28d-ecde-4a21-afe0-f1a7aa603916" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_da96a28d-ecde-4a21-afe0-f1a7aa603916" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_2f9590e5-89e5-4476-8fc4-e0bf84d70806" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_2f9590e5-89e5-4476-8fc4-e0bf84d70806" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_d3aada66-089f-47d7-aee1-4ef8986aeef4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_ShareBasedCompensation_d3aada66-089f-47d7-aee1-4ef8986aeef4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_d4418f83-3561-48b4-8ff6-9ab051d06189" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_d4418f83-3561-48b4-8ff6-9ab051d06189" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_6a39ab42-52bb-4365-8433-68ae078ced1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_6a39ab42-52bb-4365-8433-68ae078ced1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainOnBusinessInterruptionInsuranceRecovery_1fab0814-c9bc-4cf3-a572-5eb2f6bf85af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainOnBusinessInterruptionInsuranceRecovery"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_GainOnBusinessInterruptionInsuranceRecovery_1fab0814-c9bc-4cf3-a572-5eb2f6bf85af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_d695d95d-3d14-41ae-a269-b3f6bcb022cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_d695d95d-3d14-41ae-a269-b3f6bcb022cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_d9864f7c-0b6c-45fb-8721-606c1863c5a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_74d3dc62-191b-4253-8fd0-bfef6859f1ea" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_d9864f7c-0b6c-45fb-8721-606c1863c5a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f99f60d3-fffb-464f-8608-7be910af6f50" 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_54c65c93-243b-439d-984a-fb9a078a486f" 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_f99f60d3-fffb-464f-8608-7be910af6f50" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_54c65c93-243b-439d-984a-fb9a078a486f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ca604dd2-6d09-4fae-9ab7-985577ecbfa4" 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_f99f60d3-fffb-464f-8608-7be910af6f50" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ca604dd2-6d09-4fae-9ab7-985577ecbfa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5ef11df1-562e-408f-996d-96b1f31d6f78" 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_f99f60d3-fffb-464f-8608-7be910af6f50" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5ef11df1-562e-408f-996d-96b1f31d6f78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1bb2c418-4386-4dd8-b6bf-a89c9e948620" 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_bxc_ProceedsFromAssetSalesAndInsuranceRecoveries_bfc84233-1538-40ae-9c79-8ff264ec2042" xlink:href="bxc-20250329.xsd#bxc_ProceedsFromAssetSalesAndInsuranceRecoveries"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1bb2c418-4386-4dd8-b6bf-a89c9e948620" xlink:to="loc_bxc_ProceedsFromAssetSalesAndInsuranceRecoveries_bfc84233-1538-40ae-9c79-8ff264ec2042" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5bb187c3-18fd-4f85-903f-d4258a6922f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1bb2c418-4386-4dd8-b6bf-a89c9e948620" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_5bb187c3-18fd-4f85-903f-d4258a6922f7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsScheduleofDebtandFinanceLeaseObligationsDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#DebtandFinanceLeaseObligationsScheduleofDebtandFinanceLeaseObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsScheduleofDebtandFinanceLeaseObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_3e3d2fa0-7d1a-403b-9b26-62d3fe3b5385" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_c54f8b01-ac86-4de9-a2ad-6a7b7583345b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_3e3d2fa0-7d1a-403b-9b26-62d3fe3b5385" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_c54f8b01-ac86-4de9-a2ad-6a7b7583345b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes_983f4503-4546-4827-9c6a-620cb6a7cb63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_3e3d2fa0-7d1a-403b-9b26-62d3fe3b5385" xlink:to="loc_us-gaap_SeniorNotes_983f4503-4546-4827-9c6a-620cb6a7cb63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f14e176f-ff02-4b8c-b1d7-f7f91f672069" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_3e3d2fa0-7d1a-403b-9b26-62d3fe3b5385" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f14e176f-ff02-4b8c-b1d7-f7f91f672069" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_ca75bf82-6c74-46db-ac6f-bbaadd5ece66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_3e3d2fa0-7d1a-403b-9b26-62d3fe3b5385" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_ca75bf82-6c74-46db-ac6f-bbaadd5ece66" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsScheduleofInterestExpenseDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#DebtandFinanceLeaseObligationsScheduleofInterestExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsScheduleofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_bfc4f605-97e3-4eb0-ae27-732b2295c662" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_08adad5f-ae5f-455e-8878-7144afb31c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_bfc4f605-97e3-4eb0-ae27-732b2295c662" xlink:to="loc_us-gaap_InvestmentIncomeInterest_08adad5f-ae5f-455e-8878-7144afb31c3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_09a278ee-50cd-4016-aea8-50819b5ba661" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_bfc4f605-97e3-4eb0-ae27-732b2295c662" xlink:to="loc_us-gaap_InterestExpenseDebt_09a278ee-50cd-4016-aea8-50819b5ba661" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeasesScheduleofAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#LeasesScheduleofAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeasesScheduleofAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_bxc_LesseeLeaseLiabilities_ce9dc63b-9a25-42a9-8220-55ba5e796bf3" xlink:href="bxc-20250329.xsd#bxc_LesseeLeaseLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_b2b39ccd-6020-4c86-b5cc-c555eb906f74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeLeaseLiabilities_ce9dc63b-9a25-42a9-8220-55ba5e796bf3" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_b2b39ccd-6020-4c86-b5cc-c555eb906f74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_45d4439e-2a8d-44e5-87f9-dad5114c4b83" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeLeaseLiabilities_ce9dc63b-9a25-42a9-8220-55ba5e796bf3" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_45d4439e-2a8d-44e5-87f9-dad5114c4b83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_853154e6-6b32-4b10-8626-e2783fd7a633" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeLeaseLiabilities_ce9dc63b-9a25-42a9-8220-55ba5e796bf3" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_853154e6-6b32-4b10-8626-e2783fd7a633" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_2de86618-da94-4b14-ac94-88eaa58f6cf4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeLeaseLiabilities_ce9dc63b-9a25-42a9-8220-55ba5e796bf3" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_2de86618-da94-4b14-ac94-88eaa58f6cf4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_LesseeRightOfUseAsset_0167116e-3a41-4474-a227-2bed0fbfc7cb" xlink:href="bxc-20250329.xsd#bxc_LesseeRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_050c827d-a884-4b70-93bf-f5430023170b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeRightOfUseAsset_0167116e-3a41-4474-a227-2bed0fbfc7cb" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_050c827d-a884-4b70-93bf-f5430023170b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_86710eac-8ced-48dc-8812-529a843899a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_LesseeRightOfUseAsset_0167116e-3a41-4474-a227-2bed0fbfc7cb" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_86710eac-8ced-48dc-8812-529a843899a8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#LeasesScheduleofLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeasesScheduleofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_3f5323d4-ff99-4d59-953b-95c825b591e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_00a4cbde-5395-4691-a03c-716a6e21ee4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_3f5323d4-ff99-4d59-953b-95c825b591e0" xlink:to="loc_us-gaap_OperatingLeaseCost_00a4cbde-5395-4691-a03c-716a6e21ee4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_20b66472-c2a9-4f22-8b71-61ee74131c87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_3f5323d4-ff99-4d59-953b-95c825b591e0" xlink:to="loc_us-gaap_SubleaseIncome_20b66472-c2a9-4f22-8b71-61ee74131c87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseCost_253d47ec-eb4f-4128-88b6-cd4fd3f36696" xlink:href="bxc-20250329.xsd#bxc_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_5a9c6b5e-d9e9-4295-a4a8-7798faf0ca8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_FinanceLeaseCost_253d47ec-eb4f-4128-88b6-cd4fd3f36696" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_5a9c6b5e-d9e9-4295-a4a8-7798faf0ca8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_7d97204a-81d5-4daf-b5b4-af08f325abc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_FinanceLeaseCost_253d47ec-eb4f-4128-88b6-cd4fd3f36696" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_7d97204a-81d5-4daf-b5b4-af08f325abc3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeasesScheduleofSupplementalBalanceSheetDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#LeasesScheduleofSupplementalBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeasesScheduleofSupplementalBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_52f75aae-78ad-410e-8dc4-9a17d720ff3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_717e4065-7735-425d-93b5-67a80dab769b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_52f75aae-78ad-410e-8dc4-9a17d720ff3c" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_717e4065-7735-425d-93b5-67a80dab769b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_64b461c2-2fd5-427b-8daf-a3c83f1f8e34" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_52f75aae-78ad-410e-8dc4-9a17d720ff3c" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_64b461c2-2fd5-427b-8daf-a3c83f1f8e34" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeasesScheduleofLeaseMaturitiesDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#LeasesScheduleofLeaseMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeasesScheduleofLeaseMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_a2765fcb-0005-4d8e-80dd-936f1edf1d21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_05795d19-16fd-4d5f-beb5-c006171fafac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_a2765fcb-0005-4d8e-80dd-936f1edf1d21" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_05795d19-16fd-4d5f-beb5-c006171fafac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_75371722-e32d-4c02-a6ef-e98a95fc3202" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_a2765fcb-0005-4d8e-80dd-936f1edf1d21" xlink:to="loc_us-gaap_OperatingLeaseLiability_75371722-e32d-4c02-a6ef-e98a95fc3202" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_8cb4094c-1528-46bc-8355-3ac2bd0dff87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_690faa37-7d10-472f-8d37-41f1bfeeebe7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_8cb4094c-1528-46bc-8355-3ac2bd0dff87" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_690faa37-7d10-472f-8d37-41f1bfeeebe7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_6d123971-ab53-4f3f-aaa5-244adae941d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_8cb4094c-1528-46bc-8355-3ac2bd0dff87" xlink:to="loc_us-gaap_FinanceLeaseLiability_6d123971-ab53-4f3f-aaa5-244adae941d8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeasesScheduleofLeaseMaturitiesDetails_1" xlink:type="simple" xlink:href="bxc-20250329.xsd#LeasesScheduleofLeaseMaturitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeasesScheduleofLeaseMaturitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d9e0dce1-58d4-4789-af5b-cbb5b3c7d36a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d9e0dce1-58d4-4789-af5b-cbb5b3c7d36a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_0fcb64d7-fdd3-44c5-881c-25faaa423b36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_0fcb64d7-fdd3-44c5-881c-25faaa423b36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_1b873054-981a-4451-b075-881bdc81629a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_1b873054-981a-4451-b075-881bdc81629a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseLiabilityToBePaidDueAfterYearFour_b8c0def7-91f8-4035-9a7c-97742750a40f" xlink:href="bxc-20250329.xsd#bxc_FinanceLeaseLiabilityToBePaidDueAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_bxc_FinanceLeaseLiabilityToBePaidDueAfterYearFour_b8c0def7-91f8-4035-9a7c-97742750a40f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_5efdfe65-cd72-403e-b37e-6d43c2f00c90" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_5efdfe65-cd72-403e-b37e-6d43c2f00c90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_62f6d496-6eab-4286-91a4-6c869d3a29b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_523fe986-5c64-41f9-bb5f-67cb52b515b5" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_62f6d496-6eab-4286-91a4-6c869d3a29b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1bbcfaf5-967a-453b-b167-3f5cb396403d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1bbcfaf5-967a-453b-b167-3f5cb396403d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_3e56eefb-f706-473a-9a53-faaca4359121" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_3e56eefb-f706-473a-9a53-faaca4359121" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_1e1e66d2-4a49-489e-a9a4-b0a9ca0ad047" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_1e1e66d2-4a49-489e-a9a4-b0a9ca0ad047" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_f2f1f1c1-c976-4ec6-845f-16e2f22f7eaf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_f2f1f1c1-c976-4ec6-845f-16e2f22f7eaf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_d52cc861-cf42-49b2-9569-2a879f032583" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_d52cc861-cf42-49b2-9569-2a879f032583" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour_8cd8d711-e2ca-4946-adb8-56439c29d133" xlink:href="bxc-20250329.xsd#bxc_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b495803e-f164-42a0-9c3d-0ca447a26eca" xlink:to="loc_bxc_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour_8cd8d711-e2ca-4946-adb8-56439c29d133" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/EarningsPerShareandStockholdersEquityScheduleofBasicNetIncomeandDilutedDetails" xlink:type="simple" xlink:href="bxc-20250329.xsd#EarningsPerShareandStockholdersEquityScheduleofBasicNetIncomeandDilutedDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/EarningsPerShareandStockholdersEquityScheduleofBasicNetIncomeandDilutedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_781358b3-799e-4dd7-9e6f-3e9066ff8f95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9cef7d2-21f2-4fc3-b122-484955af3676" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_781358b3-799e-4dd7-9e6f-3e9066ff8f95" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f9cef7d2-21f2-4fc3-b122-484955af3676" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_dc4f5421-4587-45ae-9e37-90771c167498" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_781358b3-799e-4dd7-9e6f-3e9066ff8f95" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_dc4f5421-4587-45ae-9e37-90771c167498" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
