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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:1107a0bb-0135-42ff-bc5c-dc4baac3717e,g:d8305125-e760-47c2-82a2-ee1cdbb2b98d-->
<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/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="bxc-20241228.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_c6553333-d04e-43ef-9be0-6c441a4d621c" 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_12681267-2616-4acf-bf5e-ab9b61931a40" 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_c6553333-d04e-43ef-9be0-6c441a4d621c" xlink:to="loc_us-gaap_NetIncomeLoss_12681267-2616-4acf-bf5e-ab9b61931a40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_c183929e-b3a9-493a-b291-58b3e34f398a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_c6553333-d04e-43ef-9be0-6c441a4d621c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_c183929e-b3a9-493a-b291-58b3e34f398a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_30268e28-3b6a-43c7-8738-b4ba54ce844b" 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_OtherNonoperatingIncomeExpense_54849c3e-798f-49cf-8348-74d484f9f306" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_30268e28-3b6a-43c7-8738-b4ba54ce844b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_54849c3e-798f-49cf-8348-74d484f9f306" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b4d7e57e-93d3-44fe-b2be-87520f464fc5" 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_30268e28-3b6a-43c7-8738-b4ba54ce844b" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b4d7e57e-93d3-44fe-b2be-87520f464fc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_8ce930fc-9887-493d-887b-1f78bb217d26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_30268e28-3b6a-43c7-8738-b4ba54ce844b" xlink:to="loc_us-gaap_OperatingIncomeLoss_8ce930fc-9887-493d-887b-1f78bb217d26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_8de731f0-c32d-45f8-8c4f-4a6467afc8a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_30268e28-3b6a-43c7-8738-b4ba54ce844b" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_8de731f0-c32d-45f8-8c4f-4a6467afc8a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1642d359-917b-484e-9c14-0e1192bee39d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_0b064dcb-4862-40c1-94ca-aac6d6f45bd5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeOtherNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1642d359-917b-484e-9c14-0e1192bee39d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeOtherNetOfTax_0b064dcb-4862-40c1-94ca-aac6d6f45bd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_d025b534-809e-424a-9160-cee1cdc09669" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1642d359-917b-484e-9c14-0e1192bee39d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_d025b534-809e-424a-9160-cee1cdc09669" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_4f9967b1-d8b3-41d8-9f44-986cf6ba193a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1642d359-917b-484e-9c14-0e1192bee39d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_4f9967b1-d8b3-41d8-9f44-986cf6ba193a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_d130cb76-8992-4d22-a8e3-609a0233e204" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1642d359-917b-484e-9c14-0e1192bee39d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax_d130cb76-8992-4d22-a8e3-609a0233e204" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_54971de8-4086-48cb-9fd9-92ce655c4742" 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_cd4be559-2255-40a3-a56a-8679e5ea98cf" 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_54971de8-4086-48cb-9fd9-92ce655c4742" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_cd4be559-2255-40a3-a56a-8679e5ea98cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_8a10c674-e60e-4ccc-8c41-a2c22fbade94" 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_54971de8-4086-48cb-9fd9-92ce655c4742" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_8a10c674-e60e-4ccc-8c41-a2c22fbade94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_e553947b-f906-4cbf-8247-15f3334c3ab4" 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_bd7d6cbf-a3d2-40a7-bf4a-a776d2d32b44" 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_e553947b-f906-4cbf-8247-15f3334c3ab4" xlink:to="loc_us-gaap_GrossProfit_bd7d6cbf-a3d2-40a7-bf4a-a776d2d32b44" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_5b10530d-8769-460f-93e0-3ddc7d28e0a9" 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_e553947b-f906-4cbf-8247-15f3334c3ab4" xlink:to="loc_us-gaap_OperatingExpenses_5b10530d-8769-460f-93e0-3ddc7d28e0a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" 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_OtherCostAndExpenseOperating_4ac8ab7e-e458-466b-be82-a6789916987d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_4ac8ab7e-e458-466b-be82-a6789916987d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_00b94945-ab34-4b8e-9938-58792084dbdb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_00b94945-ab34-4b8e-9938-58792084dbdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_eeb57f6a-c092-4beb-bb50-c7230520f381" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_eeb57f6a-c092-4beb-bb50-c7230520f381" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredHedgeGains_f3b26827-f475-4ba5-89c1-a47cae4c5b04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfDeferredHedgeGains"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" xlink:to="loc_us-gaap_AmortizationOfDeferredHedgeGains_f3b26827-f475-4ba5-89c1-a47cae4c5b04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_200c5ec6-bb46-440f-a5df-2347d8d85f76" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7f4349ad-8014-44b1-9e9f-bcc2a7d5568c" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_200c5ec6-bb46-440f-a5df-2347d8d85f76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_be662e63-73ec-4204-9bf9-24882a3f2d59" 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_13bdf07a-59b6-4d28-92ac-3fa91e0bcbb8" 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_be662e63-73ec-4204-9bf9-24882a3f2d59" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_13bdf07a-59b6-4d28-92ac-3fa91e0bcbb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_41d8791a-0491-47b5-9efc-6fb952f0f23e" 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_be662e63-73ec-4204-9bf9-24882a3f2d59" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_41d8791a-0491-47b5-9efc-6fb952f0f23e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="bxc-20241228.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" 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_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_ede89c72-80fe-4325-8c18-0f20d1423485" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrent_ede89c72-80fe-4325-8c18-0f20d1423485" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_28df9121-beb3-4304-9e2d-c7d590c22a1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_28df9121-beb3-4304-9e2d-c7d590c22a1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent_fec85783-9c11-4891-9a2b-b3032fedcc9a" xlink:href="bxc-20241228.xsd#bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainCurrent_fec85783-9c11-4891-9a2b-b3032fedcc9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_e45c6e0b-7b93-451d-82f6-5e2436197418" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_e45c6e0b-7b93-451d-82f6-5e2436197418" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_2dcf6be3-c061-4ae5-ad12-232b2038b5d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_us-gaap_AccountsPayableCurrent_2dcf6be3-c061-4ae5-ad12-232b2038b5d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_0af6b21f-d2c7-41a6-8c88-11b9176c5aef" 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_896c1794-366c-495a-b6d4-a03ea8add753" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_0af6b21f-d2c7-41a6-8c88-11b9176c5aef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_35808672-4862-4ce9-9307-5a17c88c31e3" 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_StockholdersEquity_fea3b0ff-a7cb-47bb-a461-ed4aada25737" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_35808672-4862-4ce9-9307-5a17c88c31e3" xlink:to="loc_us-gaap_StockholdersEquity_fea3b0ff-a7cb-47bb-a461-ed4aada25737" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9aa0b304-86f1-48f1-8bdf-74859f96a3c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_35808672-4862-4ce9-9307-5a17c88c31e3" xlink:to="loc_us-gaap_Liabilities_9aa0b304-86f1-48f1-8bdf-74859f96a3c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_67eb3cc6-5d22-4133-ad7f-956a1551f685" 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_35808672-4862-4ce9-9307-5a17c88c31e3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_67eb3cc6-5d22-4133-ad7f-956a1551f685" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" 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_2d34dd9a-eb0b-4775-8534-a9c06d68fd71" 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_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_2d34dd9a-eb0b-4775-8534-a9c06d68fd71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_11c6c1cd-550a-4ce5-976a-c3d3bc01b6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_11c6c1cd-550a-4ce5-976a-c3d3bc01b6e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_33d68287-eca8-4c2c-ba88-4611c4a5e56e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_33d68287-eca8-4c2c-ba88-4611c4a5e56e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_be2df76f-921c-47ae-b760-78acf0a66ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_be2df76f-921c-47ae-b760-78acf0a66ff2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent_4e0113df-492d-49a2-8fa0-d7df4ed2f167" xlink:href="bxc-20241228.xsd#bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_bxc_FinanceLeaseObligationsAndRealEstateDeferredGainNoncurrent_4e0113df-492d-49a2-8fa0-d7df4ed2f167" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_3212304a-691b-4de7-9508-b4838af8d3d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_21436796-7155-4b1e-93d0-d424b9162cb0" xlink:to="loc_us-gaap_LiabilitiesCurrent_3212304a-691b-4de7-9508-b4838af8d3d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" 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_9af49c78-d2ec-4e13-a89d-514320fa6bc2" 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_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_AssetsCurrent_9af49c78-d2ec-4e13-a89d-514320fa6bc2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_b7d80bb9-3cd5-47a3-a339-e8fb13ce85dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_b7d80bb9-3cd5-47a3-a339-e8fb13ce85dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ae752687-279f-4f7e-aac3-1c948bc48875" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_Goodwill_ae752687-279f-4f7e-aac3-1c948bc48875" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9f6e68fb-03e6-4986-9a14-426057274e04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_9f6e68fb-03e6-4986-9a14-426057274e04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_ffc5cee4-816c-41d2-9eaf-e3e45d122473" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_ffc5cee4-816c-41d2-9eaf-e3e45d122473" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_1895c139-1be8-4b2b-97a0-afe6c9c1b984" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_1895c139-1be8-4b2b-97a0-afe6c9c1b984" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_dd60da4f-81be-4cef-95c4-8259916dafb2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_e9f4b763-1b57-4566-a982-6f6297a9e7e7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_dd60da4f-81be-4cef-95c4-8259916dafb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_639b8986-1480-4933-8deb-7132e4a38a1f" 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_OtherAssetsCurrent_a977d78c-3fed-4f4e-bcd8-76d1f8fb336d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_639b8986-1480-4933-8deb-7132e4a38a1f" xlink:to="loc_us-gaap_OtherAssetsCurrent_a977d78c-3fed-4f4e-bcd8-76d1f8fb336d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_18ebd740-3d5b-4588-8d71-b9fbbdef7f5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_639b8986-1480-4933-8deb-7132e4a38a1f" xlink:to="loc_us-gaap_InventoryNet_18ebd740-3d5b-4588-8d71-b9fbbdef7f5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_25b2bdb9-4c14-4570-ab94-642d0abe590f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_639b8986-1480-4933-8deb-7132e4a38a1f" xlink:to="loc_us-gaap_ReceivablesNetCurrent_25b2bdb9-4c14-4570-ab94-642d0abe590f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd6f4335-eac1-4e69-9439-b33906a9a17a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_639b8986-1480-4933-8deb-7132e4a38a1f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd6f4335-eac1-4e69-9439-b33906a9a17a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_11738b03-1f78-4f0b-ad4c-b890a952a026" 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_RetainedEarningsAccumulatedDeficit_dcd8c027-094e-4d61-9e70-fea1690e6c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_11738b03-1f78-4f0b-ad4c-b890a952a026" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_dcd8c027-094e-4d61-9e70-fea1690e6c1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValueOutstanding_ccc93248-691b-46ad-84b9-16340cfe6d55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValueOutstanding"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_11738b03-1f78-4f0b-ad4c-b890a952a026" xlink:to="loc_us-gaap_CommonStockValueOutstanding_ccc93248-691b-46ad-84b9-16340cfe6d55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_b61b3948-e2ee-4709-b180-283f0ae729dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_11738b03-1f78-4f0b-ad4c-b890a952a026" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_b61b3948-e2ee-4709-b180-283f0ae729dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_cb235ad1-421d-45f8-8b6b-1765bedcbda5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_11738b03-1f78-4f0b-ad4c-b890a952a026" xlink:to="loc_us-gaap_PreferredStockValue_cb235ad1-421d-45f8-8b6b-1765bedcbda5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="bxc-20241228.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" 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_ShareBasedCompensation_21500f06-a793-451a-a0a6-389e2f61b90c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_ShareBasedCompensation_21500f06-a793-451a-a0a6-389e2f61b90c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_c6760f3f-d304-4150-a7b0-df843d6636d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_c6760f3f-d304-4150-a7b0-df843d6636d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2bdf4323-6a09-45d4-a67b-cbff156dd216" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2bdf4323-6a09-45d4-a67b-cbff156dd216" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_ece6e0f1-439e-4027-ac78-b53212f1ef71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPensionPlanObligations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInPensionPlanObligations_ece6e0f1-439e-4027-ac78-b53212f1ef71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_AmortizationofDeferredGains_d8e9255f-5253-4f0a-8a15-c9940dc38697" xlink:href="bxc-20241228.xsd#bxc_AmortizationofDeferredGains"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_bxc_AmortizationofDeferredGains_d8e9255f-5253-4f0a-8a15-c9940dc38697" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_6709784b-7a68-41d0-a119-4782e3888375" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_6709784b-7a68-41d0-a119-4782e3888375" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_6fe79004-f67d-4e2e-93ed-388ff24e89f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_6fe79004-f67d-4e2e-93ed-388ff24e89f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DefinedBenefitPlanPeriodicBenefitCostCreditGainLossDueToSettlement_6abb95e1-91fd-4389-a565-ad094b28830c" xlink:href="bxc-20241228.xsd#bxc_DefinedBenefitPlanPeriodicBenefitCostCreditGainLossDueToSettlement"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_bxc_DefinedBenefitPlanPeriodicBenefitCostCreditGainLossDueToSettlement_6abb95e1-91fd-4389-a565-ad094b28830c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8fc094e1-ab74-4749-9be7-eba43ceeb969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8fc094e1-ab74-4749-9be7-eba43ceeb969" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_a0f34e86-f6e7-4d7f-b131-fbf0ab95283b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_a0f34e86-f6e7-4d7f-b131-fbf0ab95283b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_224250b3-d150-44de-9f7f-c9d52fc88d3a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_224250b3-d150-44de-9f7f-c9d52fc88d3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a8846e98-c44f-4dc2-8307-d552c14e71d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a8846e98-c44f-4dc2-8307-d552c14e71d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_74f355f3-0f24-4ba9-a2f1-8c3e096b4b97" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_74f355f3-0f24-4ba9-a2f1-8c3e096b4b97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_8ff7075b-cbe7-4c22-b84d-a9b828613190" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_8ff7075b-cbe7-4c22-b84d-a9b828613190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_34864956-050f-44e8-85d9-bae98b046f98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_383c3acd-bde2-49bc-b630-b94f56b9a937" xlink:to="loc_us-gaap_NetIncomeLoss_34864956-050f-44e8-85d9-bae98b046f98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9c146bd9-6d84-41da-875c-7186faae4745" 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_NetCashProvidedByUsedInFinancingActivities_9261cab1-1d58-43a2-8949-f28f57b27bad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9c146bd9-6d84-41da-875c-7186faae4745" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9261cab1-1d58-43a2-8949-f28f57b27bad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a5fef1cf-cd3b-46e6-9ed5-4acaa3c3ed0a" 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_9c146bd9-6d84-41da-875c-7186faae4745" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a5fef1cf-cd3b-46e6-9ed5-4acaa3c3ed0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ca7639ab-d5b0-4b03-8649-895de9c12686" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9c146bd9-6d84-41da-875c-7186faae4745" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ca7639ab-d5b0-4b03-8649-895de9c12686" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_cc68e00c-a6b2-45d7-909a-5f7a22fe2d29" 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_ProceedsFromSaleOfPropertyPlantAndEquipment_a6eb2fde-899c-4569-afb3-a63171dc8606" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_cc68e00c-a6b2-45d7-909a-5f7a22fe2d29" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_a6eb2fde-899c-4569-afb3-a63171dc8606" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_da5dea54-10a7-4459-8f7c-c747191b5c85" 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_cc68e00c-a6b2-45d7-909a-5f7a22fe2d29" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_da5dea54-10a7-4459-8f7c-c747191b5c85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_b5260bc1-1fed-4efc-9c22-a27b1ea44a31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_cc68e00c-a6b2-45d7-909a-5f7a22fe2d29" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_b5260bc1-1fed-4efc-9c22-a27b1ea44a31" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ef55b53-2322-4576-b19e-db488636f4cb" 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_fcfb77ed-3542-4453-b3c5-3df3ff6b21b9" 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_7ef55b53-2322-4576-b19e-db488636f4cb" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_fcfb77ed-3542-4453-b3c5-3df3ff6b21b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_405076fd-9ea8-43d1-8423-72875bb3e671" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ef55b53-2322-4576-b19e-db488636f4cb" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_405076fd-9ea8-43d1-8423-72875bb3e671" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_35edd47e-806c-4b8b-8ee2-0be5f535a30a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ef55b53-2322-4576-b19e-db488636f4cb" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_35edd47e-806c-4b8b-8ee2-0be5f535a30a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/BusinessCombinationScheduleofPreliminaryAcquisitionAccountingDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#BusinessCombinationScheduleofPreliminaryAcquisitionAccountingDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/BusinessCombinationScheduleofPreliminaryAcquisitionAccountingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" 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_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_f35e5db1-1fa7-4073-9406-78ec5a58bdef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_f35e5db1-1fa7-4073-9406-78ec5a58bdef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6b086883-b0f3-4ea8-95d6-6c81f05c58f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6b086883-b0f3-4ea8-95d6-6c81f05c58f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiability_5ad5e195-dfa3-476a-a832-7325edee9472" xlink:href="bxc-20241228.xsd#bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiability"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiability_5ad5e195-dfa3-476a-a832-7325edee9472" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets_b38127ad-b962-473f-a66e-c58ef08f136a" xlink:href="bxc-20241228.xsd#bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets_b38127ad-b962-473f-a66e-c58ef08f136a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_e54d7e5e-39a6-4e48-8504-08274293b9de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_e54d7e5e-39a6-4e48-8504-08274293b9de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_920452af-fbb7-4e64-8820-7fc163a614bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_920452af-fbb7-4e64-8820-7fc163a614bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEmployeeRelatedLiabilities_71799aed-25d2-4897-a1d9-a515eb5b0c87" xlink:href="bxc-20241228.xsd#bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEmployeeRelatedLiabilities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_bxc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEmployeeRelatedLiabilities_71799aed-25d2-4897-a1d9-a515eb5b0c87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_50a326f0-03cc-407f-94df-08021f7d8c9d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_50a326f0-03cc-407f-94df-08021f7d8c9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_2d54c158-6119-4101-81c5-e73869724fea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_2d54c158-6119-4101-81c5-e73869724fea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_2be543e0-f72d-474a-aaf1-196ea309817d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_2be543e0-f72d-474a-aaf1-196ea309817d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_50cb0d03-dc9b-4f9f-ac80-755507ddfd95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_17decee1-1cda-4cf6-85c6-7a758f96fac9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_50cb0d03-dc9b-4f9f-ac80-755507ddfd95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_0c1b9bd7-ea1c-4de5-858a-450f7ff50772" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cc868a27-b01f-4607-8885-064d64527fb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_0c1b9bd7-ea1c-4de5-858a-450f7ff50772" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_cc868a27-b01f-4607-8885-064d64527fb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_b245120d-e568-46fc-a937-c1334759f698" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_0c1b9bd7-ea1c-4de5-858a-450f7ff50772" xlink:to="loc_us-gaap_Goodwill_b245120d-e568-46fc-a937-c1334759f698" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/GoodwillandOtherIntangibleAssetsScheduleofDefiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#GoodwillandOtherIntangibleAssetsScheduleofDefiniteLivedIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/GoodwillandOtherIntangibleAssetsScheduleofDefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d511787-3aa9-4d8d-bc91-cd73e4a79031" 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_FiniteLivedIntangibleAssetsGross_b76170a5-9eb1-49a1-8369-49502e45b0e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d511787-3aa9-4d8d-bc91-cd73e4a79031" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_b76170a5-9eb1-49a1-8369-49502e45b0e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_45f920a0-d9ce-4445-941f-481a4922768a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d511787-3aa9-4d8d-bc91-cd73e4a79031" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_45f920a0-d9ce-4445-941f-481a4922768a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/PropertyandEquipmentPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#PropertyandEquipmentPropertyPlantandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/PropertyandEquipmentPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_9d2e804d-72fd-4b6b-aa66-69ea8f06ebf6" 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_2eff1a89-26f0-42f6-8389-e673c37ab2c1" 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_9d2e804d-72fd-4b6b-aa66-69ea8f06ebf6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_2eff1a89-26f0-42f6-8389-e673c37ab2c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_8ad04fe9-f797-4ecc-89e2-23bc545be8dc" 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_9d2e804d-72fd-4b6b-aa66-69ea8f06ebf6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_8ad04fe9-f797-4ecc-89e2-23bc545be8dc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/IncomeTaxesProvisionForIncomeTaxesDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#IncomeTaxesProvisionForIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/IncomeTaxesProvisionForIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7e4e94c1-7400-49b2-98bf-4a6aca803737" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_da445573-935d-4939-896f-4c2057769217" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7e4e94c1-7400-49b2-98bf-4a6aca803737" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_da445573-935d-4939-896f-4c2057769217" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_60bfa47a-0613-4ab6-ad98-eefa69259a43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7e4e94c1-7400-49b2-98bf-4a6aca803737" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_60bfa47a-0613-4ab6-ad98-eefa69259a43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_1c49a613-2ffa-4a81-8338-a4a0d6a77749" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7e4e94c1-7400-49b2-98bf-4a6aca803737" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_1c49a613-2ffa-4a81-8338-a4a0d6a77749" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_455c5370-e92f-4b36-9b7a-5f5a09155b81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7e4e94c1-7400-49b2-98bf-4a6aca803737" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_455c5370-e92f-4b36-9b7a-5f5a09155b81" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/IncomeTaxesReconciliationtoFederalStatutoryAmountDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#IncomeTaxesReconciliationtoFederalStatutoryAmountDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/IncomeTaxesReconciliationtoFederalStatutoryAmountDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_2d71e205-2dd4-4e94-aba6-e1fdfb19cb95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_2d71e205-2dd4-4e94-aba6-e1fdfb19cb95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_5b46643b-9e17-4a6c-8c05-1e7358481b23" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationOtherReconcilingItems"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_5b46643b-9e17-4a6c-8c05-1e7358481b23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_2f178b66-0823-44d2-97d2-6a027767a775" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_2f178b66-0823-44d2-97d2-6a027767a775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_932f0100-ea3d-451d-a888-0aeacadab94f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationTaxSettlements"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_932f0100-ea3d-451d-a888-0aeacadab94f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_a7036e78-6129-4aa0-8c89-024781d4562b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_a7036e78-6129-4aa0-8c89-024781d4562b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_53e8fbb4-8e16-44b2-a9be-79c6022befc7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_53e8fbb4-8e16-44b2-a9be-79c6022befc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_011bf6ae-0f65-4ac5-afb0-76bca004882f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7b526bc4-5f56-47be-91c1-37d9f1ce5ada" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_011bf6ae-0f65-4ac5-afb0-76bca004882f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#IncomeTaxesComponentsofNetDeferredIncomeTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/IncomeTaxesComponentsofNetDeferredIncomeTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_dc77b8e7-7548-46b7-8d3a-645ca23fa97d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_22f1c653-4394-48f9-a2bf-7246194c159b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_dc77b8e7-7548-46b7-8d3a-645ca23fa97d" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_22f1c653-4394-48f9-a2bf-7246194c159b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_3cac8e47-034b-4829-9a81-07cd8625e42b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_dc77b8e7-7548-46b7-8d3a-645ca23fa97d" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_3cac8e47-034b-4829-9a81-07cd8625e42b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset_cc4bc5ba-e75b-46b7-8084-d5c3d1500702" xlink:href="bxc-20241228.xsd#bxc_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_dc77b8e7-7548-46b7-8d3a-645ca23fa97d" xlink:to="loc_bxc_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset_cc4bc5ba-e75b-46b7-8084-d5c3d1500702" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_5ea7504b-a097-4006-ba42-681386ce2ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_87c812be-8b28-4c13-909b-290c65080225" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_5ea7504b-a097-4006-ba42-681386ce2ce5" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_87c812be-8b28-4c13-909b-290c65080225" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_8bc36ebf-3486-4901-9c27-bbd680b8a5c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_5ea7504b-a097-4006-ba42-681386ce2ce5" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_8bc36ebf-3486-4901-9c27-bbd680b8a5c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_29283ed0-023a-420a-993c-c65d59afa767" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInventory"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsInventory_29283ed0-023a-420a-993c-c65d59afa767" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_5e5907c1-bbab-4659-8e73-6413c0058ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_5e5907c1-bbab-4659-8e73-6413c0058ee8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DeferredTaxAssetsAccountsReceivable_d5e700f5-6967-4be3-87f4-efe07d9c2f7b" xlink:href="bxc-20241228.xsd#bxc_DeferredTaxAssetsAccountsReceivable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_bxc_DeferredTaxAssetsAccountsReceivable_d5e700f5-6967-4be3-87f4-efe07d9c2f7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_420f1ddc-fa65-4a25-a63b-43d2fb0337cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_420f1ddc-fa65-4a25-a63b-43d2fb0337cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DeferredTaxAssetsOperatingLeaseLiability_0063bfd9-1b7b-4365-9200-b4e9a298d815" xlink:href="bxc-20241228.xsd#bxc_DeferredTaxAssetsOperatingLeaseLiability"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_bxc_DeferredTaxAssetsOperatingLeaseLiability_0063bfd9-1b7b-4365-9200-b4e9a298d815" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions_22f65e20-c9a4-4d8c-a141-83612b393f14" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions_22f65e20-c9a4-4d8c-a141-83612b393f14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_58be60f6-94ef-4faa-9a92-488350b3b4ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_58be60f6-94ef-4faa-9a92-488350b3b4ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_11ed3816-677b-44b0-ba31-2950763321d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_87ac0c51-15b6-483d-b4b9-ea43c6ce2219" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_11ed3816-677b-44b0-ba31-2950763321d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_fc89a90c-a44e-4bc0-8acb-5d420631fe98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_64fbe851-af07-4018-aa85-87f983a05a51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_fc89a90c-a44e-4bc0-8acb-5d420631fe98" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_64fbe851-af07-4018-aa85-87f983a05a51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_afc80a6e-a5f3-49fa-ba01-99484ec2ca91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_fc89a90c-a44e-4bc0-8acb-5d420631fe98" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_afc80a6e-a5f3-49fa-ba01-99484ec2ca91" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsLongTermDebtDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#DebtandFinanceLeaseObligationsLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b1f6f3f1-5450-41f4-8750-300c028d0670" 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_DebtInstrumentCarryingAmount_3ecd266c-1be9-4c02-9f4a-76acbe2f800d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b1f6f3f1-5450-41f4-8750-300c028d0670" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_3ecd266c-1be9-4c02-9f4a-76acbe2f800d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_4fe705b6-d2c4-44a0-b5e6-1921e4358878" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b1f6f3f1-5450-41f4-8750-300c028d0670" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_4fe705b6-d2c4-44a0-b5e6-1921e4358878" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_6bed19f3-a2da-478e-afdd-209e65d853a6" 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_b1f6f3f1-5450-41f4-8750-300c028d0670" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_6bed19f3-a2da-478e-afdd-209e65d853a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes_52bc5024-ec50-4edf-9e82-264cacafb921" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotes"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_b1f6f3f1-5450-41f4-8750-300c028d0670" xlink:to="loc_us-gaap_SeniorNotes_52bc5024-ec50-4edf-9e82-264cacafb921" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsInterestIncomeandInterestExpenseDisclosureDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#DebtandFinanceLeaseObligationsInterestIncomeandInterestExpenseDisclosureDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/DebtandFinanceLeaseObligationsInterestIncomeandInterestExpenseDisclosureDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_9e4a47ef-4f34-474c-a0de-51b39cfe0a36" 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_InterestExpenseNonoperating_f9c904af-f9f5-4bbd-a2d0-58a45a9c30f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_9e4a47ef-4f34-474c-a0de-51b39cfe0a36" xlink:to="loc_us-gaap_InterestExpenseNonoperating_f9c904af-f9f5-4bbd-a2d0-58a45a9c30f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_1fbe7f81-419a-4019-a66d-9e4d3c7b641c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_9e4a47ef-4f34-474c-a0de-51b39cfe0a36" xlink:to="loc_us-gaap_InvestmentIncomeInterest_1fbe7f81-419a-4019-a66d-9e4d3c7b641c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/EmployeeRetirementPlansScheduleofProjectedBenefitObligationandChangeinPlanAssetsDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#EmployeeRetirementPlansScheduleofProjectedBenefitObligationandChangeinPlanAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/EmployeeRetirementPlansScheduleofProjectedBenefitObligationandChangeinPlanAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ae8fb968-8bc1-47f4-be4b-df4a11739f5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_184ad96c-b7de-4c59-bf6f-5483d646f6c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ae8fb968-8bc1-47f4-be4b-df4a11739f5d" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_184ad96c-b7de-4c59-bf6f-5483d646f6c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_b446e7cf-b842-46cd-86c3-1952c3652ca7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_ae8fb968-8bc1-47f4-be4b-df4a11739f5d" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_b446e7cf-b842-46cd-86c3-1952c3652ca7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/EmployeeRetirementPlansScheduleofNetPeriodicPensionCostsDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#EmployeeRetirementPlansScheduleofNetPeriodicPensionCostsDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/EmployeeRetirementPlansScheduleofNetPeriodicPensionCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_5391e619-117e-48f5-b09f-f2d079e0c0d5" xlink:href="bxc-20241228.xsd#bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2ad19e3b-9738-4b0c-9a7b-d99a4e6ec0af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_5391e619-117e-48f5-b09f-f2d079e0c0d5" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2ad19e3b-9738-4b0c-9a7b-d99a4e6ec0af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses_2a36e689-7585-4574-844d-29be0079a0c2" xlink:href="bxc-20241228.xsd#bxc_DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_5391e619-117e-48f5-b09f-f2d079e0c0d5" xlink:to="loc_bxc_DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses_2a36e689-7585-4574-844d-29be0079a0c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_8f4b5f75-286c-43cc-b2c6-a05efec817c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_5391e619-117e-48f5-b09f-f2d079e0c0d5" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_8f4b5f75-286c-43cc-b2c6-a05efec817c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_1a84f96a-d4f5-4f78-b62c-403e14e7a62a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_5391e619-117e-48f5-b09f-f2d079e0c0d5" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_1a84f96a-d4f5-4f78-b62c-403e14e7a62a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_7d070861-4bbd-4882-92b5-202a2bc07028" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_db973f27-1bc5-4f48-aeab-4357fd200051" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_7d070861-4bbd-4882-92b5-202a2bc07028" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_db973f27-1bc5-4f48-aeab-4357fd200051" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_37228a1c-25a6-4872-91d4-da555f566f8e" xlink:href="bxc-20241228.xsd#bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_7d070861-4bbd-4882-92b5-202a2bc07028" xlink:to="loc_bxc_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeSettlements_37228a1c-25a6-4872-91d4-da555f566f8e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/StockholdersEquityEarningsPerShareandShareRepurchasesScheduleofComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#StockholdersEquityEarningsPerShareandShareRepurchasesScheduleofComputationofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/StockholdersEquityEarningsPerShareandShareRepurchasesScheduleofComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b83a1066-8690-44fd-954d-f623ae8a485c" 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_12ad08a4-4934-41c3-8d93-6f2e2ab6d82c" 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_b83a1066-8690-44fd-954d-f623ae8a485c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_12ad08a4-4934-41c3-8d93-6f2e2ab6d82c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_57f13081-ae30-4198-b214-4ec0fce42f97" 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_b83a1066-8690-44fd-954d-f623ae8a485c" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_57f13081-ae30-4198-b214-4ec0fce42f97" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeaseCommitmentsAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#LeaseCommitmentsAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeaseCommitmentsAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_bxc_LesseeRightOfUseAsset_0fa47779-754b-4b75-8f18-5d6118bb5afe" xlink:href="bxc-20241228.xsd#bxc_LesseeRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_ec7f3717-a41c-4e35-afa7-d73065d9487f" 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_0fa47779-754b-4b75-8f18-5d6118bb5afe" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_ec7f3717-a41c-4e35-afa7-d73065d9487f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_4f366d8d-7efb-4293-9bb7-3693ac347045" 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_0fa47779-754b-4b75-8f18-5d6118bb5afe" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_4f366d8d-7efb-4293-9bb7-3693ac347045" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_LesseeLeaseLiabilities_3930888c-7a78-4538-bcd0-ce229aa21407" xlink:href="bxc-20241228.xsd#bxc_LesseeLeaseLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_f8d4e775-c847-4278-b522-84de71375d39" 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_3930888c-7a78-4538-bcd0-ce229aa21407" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_f8d4e775-c847-4278-b522-84de71375d39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_4e0598e3-8c4e-4a14-996c-f43723158cb8" 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_3930888c-7a78-4538-bcd0-ce229aa21407" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_4e0598e3-8c4e-4a14-996c-f43723158cb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0fa7b82d-03f7-46ad-b9cb-9cd69bd67b08" 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_3930888c-7a78-4538-bcd0-ce229aa21407" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0fa7b82d-03f7-46ad-b9cb-9cd69bd67b08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c4eb2b4b-440c-4546-84ea-b23a5c077656" 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_3930888c-7a78-4538-bcd0-ce229aa21407" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c4eb2b4b-440c-4546-84ea-b23a5c077656" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseCostDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#LeaseCommitmentsLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_ba7b7446-3d5e-43b4-a968-16cea23bf576" 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_SubleaseIncome_a230cc8c-ec43-467b-9b03-eafd102a53ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_ba7b7446-3d5e-43b4-a968-16cea23bf576" xlink:to="loc_us-gaap_SubleaseIncome_a230cc8c-ec43-467b-9b03-eafd102a53ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_89c9b434-baca-4391-b584-d74271fd4094" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_ba7b7446-3d5e-43b4-a968-16cea23bf576" xlink:to="loc_us-gaap_OperatingLeaseCost_89c9b434-baca-4391-b584-d74271fd4094" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bxc_FinanceLeaseCost_4a3685b3-8085-40d7-9218-eb13a7da869d" xlink:href="bxc-20241228.xsd#bxc_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_3bf192a9-cafb-4c94-9d11-0704c5d0d2e2" 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_4a3685b3-8085-40d7-9218-eb13a7da869d" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_3bf192a9-cafb-4c94-9d11-0704c5d0d2e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_3c11ab8b-53c5-4414-8706-4604830c5b86" 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_4a3685b3-8085-40d7-9218-eb13a7da869d" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_3c11ab8b-53c5-4414-8706-4604830c5b86" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeaseCommitmentsSupplementalBalanceSheetDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#LeaseCommitmentsSupplementalBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeaseCommitmentsSupplementalBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_447009ee-7d1b-4037-ad2b-d1688b0b7841" 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_e0066985-f2a5-4a51-abd8-9ec262c6abe6" 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_447009ee-7d1b-4037-ad2b-d1688b0b7841" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_e0066985-f2a5-4a51-abd8-9ec262c6abe6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_d855688f-b665-46b1-89d0-921e49e109b3" 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_447009ee-7d1b-4037-ad2b-d1688b0b7841" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_d855688f-b665-46b1-89d0-921e49e109b3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseMaturitiesDetails" xlink:type="simple" xlink:href="bxc-20241228.xsd#LeaseCommitmentsLeaseMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" 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_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_9ef776f5-26b4-4e88-9e84-c4f67db8c13c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_9ef776f5-26b4-4e88-9e84-c4f67db8c13c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_7dc7a22a-54e2-435f-b8af-8a61fd709ca8" 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_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_7dc7a22a-54e2-435f-b8af-8a61fd709ca8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_3b8a3bb1-d09d-4dc3-899b-f4ccf619795e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_3b8a3bb1-d09d-4dc3-899b-f4ccf619795e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_c3a273f9-5510-4af4-8f2d-bc308eda52d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_c3a273f9-5510-4af4-8f2d-bc308eda52d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_bf605aac-ee4c-42b4-a273-daea0736b607" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_bf605aac-ee4c-42b4-a273-daea0736b607" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_2819e02c-8f0a-430f-b432-3f72eded0520" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_47af2c9e-7258-4af1-88f6-40f76e24c8be" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_2819e02c-8f0a-430f-b432-3f72eded0520" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7492b44d-342f-4b36-a131-06c5f8ef8a23" 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_d0a2d9a0-dd56-40f3-a70a-7c83b833f831" 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_7492b44d-342f-4b36-a131-06c5f8ef8a23" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_d0a2d9a0-dd56-40f3-a70a-7c83b833f831" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_c82830b9-cd56-441a-879c-6a4b978e1307" 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_7492b44d-342f-4b36-a131-06c5f8ef8a23" xlink:to="loc_us-gaap_OperatingLeaseLiability_c82830b9-cd56-441a-879c-6a4b978e1307" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseMaturitiesDetails_1" xlink:type="simple" xlink:href="bxc-20241228.xsd#LeaseCommitmentsLeaseMaturitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.bluelinxco.com/role/LeaseCommitmentsLeaseMaturitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_cee33c7c-a33b-4b39-a363-3554c912db0b" 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_fce39ad2-f881-4841-a13e-c39c6212c87e" 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_cee33c7c-a33b-4b39-a363-3554c912db0b" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_fce39ad2-f881-4841-a13e-c39c6212c87e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_e81d90b7-49ed-4006-8784-42e81cbdd955" 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_cee33c7c-a33b-4b39-a363-3554c912db0b" xlink:to="loc_us-gaap_FinanceLeaseLiability_e81d90b7-49ed-4006-8784-42e81cbdd955" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" 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_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b66d6699-de4f-4700-a525-3be3e60169dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_b66d6699-de4f-4700-a525-3be3e60169dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_58583879-15dd-4b7b-8597-996140208088" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_58583879-15dd-4b7b-8597-996140208088" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8aa35de6-f355-4fa1-8e79-3a6c6d9a2530" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8aa35de6-f355-4fa1-8e79-3a6c6d9a2530" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_edd55ff7-c588-4f9c-84fd-63a564e17d4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_edd55ff7-c588-4f9c-84fd-63a564e17d4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_abe48dba-4443-469b-b363-a8c72e7920fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_abe48dba-4443-469b-b363-a8c72e7920fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ef8a6ba2-788f-4574-b481-73fcfca3d32e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_01176e2a-75f9-42d5-97e3-c63ff4cf5b39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_ef8a6ba2-788f-4574-b481-73fcfca3d32e" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
