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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:1a6fd39b-cb58-4a13-8e16-3342a9abfa36,g:7b817d3e-7f45-4e0b-a5ad-f2085bbde66e-->
<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.quanexbuildingproducts.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="nx-20250430.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" 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_PropertyPlantAndEquipmentNet_e7692bde-3004-477d-a55a-8aca88273bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_e7692bde-3004-477d-a55a-8aca88273bbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_ed7d36bc-e4e5-415b-9e65-ed8721055f26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_AssetsCurrent_ed7d36bc-e4e5-415b-9e65-ed8721055f26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_630cdf1e-bc14-43aa-ace6-d9a73af69df0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_630cdf1e-bc14-43aa-ace6-d9a73af69df0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_b1189a15-2e8d-420e-a04e-3331164e40cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_b1189a15-2e8d-420e-a04e-3331164e40cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_132ec23f-75b4-49c6-99cc-3804c1822a4d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_132ec23f-75b4-49c6-99cc-3804c1822a4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_323d982c-670e-4a05-a22b-0b676f4c7bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_Goodwill_323d982c-670e-4a05-a22b-0b676f4c7bfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_988a342d-4b3f-4310-8b26-61fc78a1ec5d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_aee2731a-3458-4c72-9a3b-34eebb461482" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_988a342d-4b3f-4310-8b26-61fc78a1ec5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" 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_AccountsReceivableNetCurrent_b1bc5c70-52fb-4120-af38-d5329e1836c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_b1bc5c70-52fb-4120-af38-d5329e1836c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_4a3f1813-e891-414f-b9f7-e646e07eca17" 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_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_InventoryNet_4a3f1813-e891-414f-b9f7-e646e07eca17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_944d29de-1e93-450d-a3ba-755658fc1e34" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_944d29de-1e93-450d-a3ba-755658fc1e34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_84247fb2-a096-493b-84b2-44edb23c8bf3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_RestrictedCash_84247fb2-a096-493b-84b2-44edb23c8bf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_da06f43a-e4e7-4801-b1f3-3156977cfc13" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_da06f43a-e4e7-4801-b1f3-3156977cfc13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReceivable_8f83f8d7-8732-44eb-be9e-037e8e008362" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReceivable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5e3891cc-9b4d-415c-b648-7aec60991e06" xlink:to="loc_us-gaap_IncomeTaxReceivable_8f83f8d7-8732-44eb-be9e-037e8e008362" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" 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_AccountsPayableCurrent_ce25e3de-05ae-4235-aaad-c21d26ecc1d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" xlink:to="loc_us-gaap_AccountsPayableCurrent_ce25e3de-05ae-4235-aaad-c21d26ecc1d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_f0981d9e-61fc-4b54-ace9-fbb7d52ced35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_f0981d9e-61fc-4b54-ace9-fbb7d52ced35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_245b02bd-1fdd-4d77-aab4-2fb6f9a8a724" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_245b02bd-1fdd-4d77-aab4-2fb6f9a8a724" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_dba5ff76-992c-47aa-92e4-58becc5752e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_dba5ff76-992c-47aa-92e4-58becc5752e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_349157ab-e881-438e-9ac0-0636688c54d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_44c44e06-5b92-424c-ae36-1cffa009d8d8" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_349157ab-e881-438e-9ac0-0636688c54d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_9fc3f5c5-3c07-4a7a-b778-e8fb22dccd36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_PreferredStockValue_9fc3f5c5-3c07-4a7a-b778-e8fb22dccd36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_31892fe1-a5e8-43e4-8aa7-ad939e85bf6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_CommonStockValue_31892fe1-a5e8-43e4-8aa7-ad939e85bf6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_30a8c22d-98af-46f4-bc9a-3b45413955a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_AdditionalPaidInCapital_30a8c22d-98af-46f4-bc9a-3b45413955a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b646f661-e599-4179-be02-2b906936141d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b646f661-e599-4179-be02-2b906936141d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_370491ce-a974-4938-bd29-b43a975a1a74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_370491ce-a974-4938-bd29-b43a975a1a74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_f783ed70-4543-42dd-80f2-fb1e3a182f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_0849d107-b8fd-43f6-8620-062518a86a0d" xlink:to="loc_us-gaap_TreasuryStockValue_f783ed70-4543-42dd-80f2-fb1e3a182f6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_32a2da6d-9926-441e-8674-9b560672cd53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_08f20b01-53c6-43ff-ad06-9dfd540e8052" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32a2da6d-9926-441e-8674-9b560672cd53" xlink:to="loc_us-gaap_Liabilities_08f20b01-53c6-43ff-ad06-9dfd540e8052" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_8c98cc42-d9fc-4e7f-8413-0bf956c3c877" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32a2da6d-9926-441e-8674-9b560672cd53" xlink:to="loc_us-gaap_CommitmentsAndContingencies_8c98cc42-d9fc-4e7f-8413-0bf956c3c877" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_20e74111-e1e5-4f41-9247-d01b1e0b81e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32a2da6d-9926-441e-8674-9b560672cd53" xlink:to="loc_us-gaap_StockholdersEquity_20e74111-e1e5-4f41-9247-d01b1e0b81e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" 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_LiabilitiesCurrent_bd41cc25-dc68-4f24-97ac-fd3e689ebf6a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" xlink:to="loc_us-gaap_LiabilitiesCurrent_bd41cc25-dc68-4f24-97ac-fd3e689ebf6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f3be0616-c787-48bd-9c06-ba63e939773a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_f3be0616-c787-48bd-9c06-ba63e939773a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_954e7074-bf37-4cca-9735-d3f8dfb63523" 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_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_954e7074-bf37-4cca-9735-d3f8dfb63523" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_97320ed6-9a85-4c78-8694-770b25dcd430" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_97320ed6-9a85-4c78-8694-770b25dcd430" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_70473075-03bc-440d-b5cc-e1910198562f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_ad6ed3b3-5035-48e9-97a8-5eaf89132e2e" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_70473075-03bc-440d-b5cc-e1910198562f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofIncomeLossUnaudited" xlink:type="simple" xlink:href="nx-20250430.xsd#CondensedConsolidatedStatementsofIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_654dda0d-155a-4ea5-8a59-16dbfd3383a3" 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_IncomeLossFromContinuingOperations_075dd5ac-0af4-4cb6-b69d-04678319e109" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_654dda0d-155a-4ea5-8a59-16dbfd3383a3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_075dd5ac-0af4-4cb6-b69d-04678319e109" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3f946fe2-3b4d-4514-b7dc-e65ecdc5a9c4" 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_654dda0d-155a-4ea5-8a59-16dbfd3383a3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3f946fe2-3b4d-4514-b7dc-e65ecdc5a9c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_40df0f58-93c4-4da8-89a1-c031abae2a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c944e22c-2672-48a2-b3dc-51318cefac3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_40df0f58-93c4-4da8-89a1-c031abae2a4e" xlink:to="loc_us-gaap_OperatingIncomeLoss_c944e22c-2672-48a2-b3dc-51318cefac3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_7630bb88-95b2-4ea8-992f-3e95c5b57101" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_40df0f58-93c4-4da8-89a1-c031abae2a4e" xlink:to="loc_us-gaap_InterestExpense_7630bb88-95b2-4ea8-992f-3e95c5b57101" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_56c9a9a7-9c87-48d6-8ad3-50441cfa9f0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_40df0f58-93c4-4da8-89a1-c031abae2a4e" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_56c9a9a7-9c87-48d6-8ad3-50441cfa9f0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" 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_RevenueFromContractWithCustomerExcludingAssessedTax_5c927bb6-1eda-4dc1-979d-64b7e6c19c66" 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_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5c927bb6-1eda-4dc1-979d-64b7e6c19c66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_caf66043-3346-4381-a74c-8848a00d50d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" xlink:to="loc_us-gaap_CostOfRevenue_caf66043-3346-4381-a74c-8848a00d50d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4522eba2-2261-462b-be4b-a414b77482c5" 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_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4522eba2-2261-462b-be4b-a414b77482c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_86595c4f-caab-4f76-b5d8-592ab27cbc33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_86595c4f-caab-4f76-b5d8-592ab27cbc33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_8a4ddbdc-8758-44b6-aee5-6fc48465ae08" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_035fcded-bb5d-4903-92dc-c12e9c7b00ac" xlink:to="loc_us-gaap_RestructuringCharges_8a4ddbdc-8758-44b6-aee5-6fc48465ae08" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="simple" xlink:href="nx-20250430.xsd#CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_83c08482-d266-4453-82d5-446a349d84b0" 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_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_de26bd87-011d-4c05-a398-481e1671124d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_83c08482-d266-4453-82d5-446a349d84b0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_de26bd87-011d-4c05-a398-481e1671124d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_036aa5f4-eeb6-4bc9-973e-6b28731f428e" 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_572e07ed-a58b-439f-aac3-68fb9e496a04" 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_036aa5f4-eeb6-4bc9-973e-6b28731f428e" xlink:to="loc_us-gaap_NetIncomeLoss_572e07ed-a58b-439f-aac3-68fb9e496a04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b3b3fa7e-bbc1-488d-99bc-d67f5b6eadc4" 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_036aa5f4-eeb6-4bc9-973e-6b28731f428e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b3b3fa7e-bbc1-488d-99bc-d67f5b6eadc4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofCashFlowUnaudited" xlink:type="simple" xlink:href="nx-20250430.xsd#CondensedConsolidatedStatementsofCashFlowUnaudited"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/CondensedConsolidatedStatementsofCashFlowUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" 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_RepaymentsOfLinesOfCredit_8fe26efc-9e61-4cf6-8093-186c488b8155" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_8fe26efc-9e61-4cf6-8093-186c488b8155" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_86de3909-e577-48c1-9abf-d9a728499287" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_86de3909-e577-48c1-9abf-d9a728499287" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_10c02b66-aa11-491b-8d59-d979b8a48df1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_10c02b66-aa11-491b-8d59-d979b8a48df1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6c6d302f-f511-4cbe-b1a5-e9acbf0854cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6c6d302f-f511-4cbe-b1a5-e9acbf0854cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_973759a6-9e3c-497c-96af-c394fc4f85d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_973759a6-9e3c-497c-96af-c394fc4f85d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_e0f498cd-4153-4e20-88eb-940d650b29cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_e0f498cd-4153-4e20-88eb-940d650b29cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_243c4ef6-e388-4cdb-8139-88617c56c1c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_243c4ef6-e388-4cdb-8139-88617c56c1c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_e1fdda34-0b8a-4950-98d8-2fdd0b9d7d5b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_fb9075cf-6789-4faa-a1c6-758509b02757" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_e1fdda34-0b8a-4950-98d8-2fdd0b9d7d5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bdb1bc53-06c0-41c1-90d7-ebb5cf05da9c" 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_PaymentsToAcquireBusinessesNetOfCashAcquired_2770ee0b-f417-453e-8840-96a982455216" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bdb1bc53-06c0-41c1-90d7-ebb5cf05da9c" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2770ee0b-f417-453e-8840-96a982455216" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6b888ec8-c20d-4ba0-9270-64a26a9dcc7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bdb1bc53-06c0-41c1-90d7-ebb5cf05da9c" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6b888ec8-c20d-4ba0-9270-64a26a9dcc7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b84df136-6a41-4d75-8105-18fa674b1ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_bdb1bc53-06c0-41c1-90d7-ebb5cf05da9c" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b84df136-6a41-4d75-8105-18fa674b1ff8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" 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_ProfitLoss_af781f0c-ea90-4484-a2c6-f6b9e9547146" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_ProfitLoss_af781f0c-ea90-4484-a2c6-f6b9e9547146" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_07a5d793-00bb-4677-ad02-9a845fae75ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_07a5d793-00bb-4677-ad02-9a845fae75ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_7f0cb5ac-ce0e-4ea6-bb3c-641fa6acfe0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_ShareBasedCompensation_7f0cb5ac-ce0e-4ea6-bb3c-641fa6acfe0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_555e2024-f1da-45a7-9a19-c2b57e15a745" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_555e2024-f1da-45a7-9a19-c2b57e15a745" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_e07ef933-6484-4083-8f3b-acebb71d3b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_e07ef933-6484-4083-8f3b-acebb71d3b1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_a725a63d-3b17-4b55-bc4b-f7c6e9a1be71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_a725a63d-3b17-4b55-bc4b-f7c6e9a1be71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_39e4746c-68b9-4b33-8fe6-af760760b365" 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_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_39e4746c-68b9-4b33-8fe6-af760760b365" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_c70351b2-8b08-4034-a25a-932f267d06bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_c70351b2-8b08-4034-a25a-932f267d06bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_7f193a34-c576-4f13-b472-c2af259306bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_7f193a34-c576-4f13-b472-c2af259306bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_a3c2078e-7105-4be2-a90b-6e69f90ba28a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_a3c2078e-7105-4be2-a90b-6e69f90ba28a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_ebbda939-0818-4a5c-865f-1f54ad5c8050" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_ebbda939-0818-4a5c-865f-1f54ad5c8050" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_a4cccb40-b1db-49cb-bf5c-5515df03f004" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_a4cccb40-b1db-49cb-bf5c-5515df03f004" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_4aa6a2fa-6e79-42a1-9825-00a5bafe399f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_39cff568-6bdf-4c95-9122-3b97383b5676" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_4aa6a2fa-6e79-42a1-9825-00a5bafe399f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_714ce97e-46c3-4d13-8823-551f8a734d12" 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_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9c1f7569-6029-4f6d-af16-9636b87e6cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_714ce97e-46c3-4d13-8823-551f8a734d12" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9c1f7569-6029-4f6d-af16-9636b87e6cf8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f9e7394-03cb-40dc-bd45-96080fa555c7" 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_714ce97e-46c3-4d13-8823-551f8a734d12" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8f9e7394-03cb-40dc-bd45-96080fa555c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_15077941-a355-4ea0-8ba9-21cd60d87a25" 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_714ce97e-46c3-4d13-8823-551f8a734d12" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_15077941-a355-4ea0-8ba9-21cd60d87a25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_eeb6d788-3e8a-472d-a545-45c2e2f3bc25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_714ce97e-46c3-4d13-8823-551f8a734d12" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_eeb6d788-3e8a-472d-a545-45c2e2f3bc25" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/InventoriesDetail" xlink:type="simple" xlink:href="nx-20250430.xsd#InventoriesDetail"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/InventoriesDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_9d205515-4ea3-4012-a9ff-791ab7e1210b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_037b2e3e-5c3c-4bab-861e-b86fb8403be5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_9d205515-4ea3-4012-a9ff-791ab7e1210b" xlink:to="loc_us-gaap_InventoryRawMaterials_037b2e3e-5c3c-4bab-861e-b86fb8403be5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsAndWorkInProcess_cdff4803-eab5-456c-8e4b-9c594c8b9b27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryFinishedGoodsAndWorkInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_9d205515-4ea3-4012-a9ff-791ab7e1210b" xlink:to="loc_us-gaap_InventoryFinishedGoodsAndWorkInProcess_cdff4803-eab5-456c-8e4b-9c594c8b9b27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventorySupplies_6fc1a878-c4f8-41f0-a5c0-98e750466638" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherInventorySupplies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_9d205515-4ea3-4012-a9ff-791ab7e1210b" xlink:to="loc_us-gaap_OtherInventorySupplies_6fc1a878-c4f8-41f0-a5c0-98e750466638" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/LeasesLeaseRelatedAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#LeasesLeaseRelatedAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/LeasesLeaseRelatedAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_nx_LeasesLiability_fec6626e-a4c8-40a9-a8f2-fd61f420724f" xlink:href="nx-20250430.xsd#nx_LeasesLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_a106e2fe-4a0f-471d-b356-4cbe094a2653" 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_nx_LeasesLiability_fec6626e-a4c8-40a9-a8f2-fd61f420724f" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_a106e2fe-4a0f-471d-b356-4cbe094a2653" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_d8c4bde9-5f59-455a-b846-27206e0c39ef" 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_nx_LeasesLiability_fec6626e-a4c8-40a9-a8f2-fd61f420724f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_d8c4bde9-5f59-455a-b846-27206e0c39ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_219b1a1f-0c36-435b-930f-e0146f7cb76f" 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_nx_LeasesLiability_fec6626e-a4c8-40a9-a8f2-fd61f420724f" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_219b1a1f-0c36-435b-930f-e0146f7cb76f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_9fc04da3-1764-4dac-87ae-22764a735ae0" 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_nx_LeasesLiability_fec6626e-a4c8-40a9-a8f2-fd61f420724f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_9fc04da3-1764-4dac-87ae-22764a735ae0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nx_LeasesRightofUseAsset_e6bbe9c8-679a-4682-83b1-8201603b3cf8" xlink:href="nx-20250430.xsd#nx_LeasesRightofUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_caa4c856-ef6a-4863-a382-d1423deeec87" 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_nx_LeasesRightofUseAsset_e6bbe9c8-679a-4682-83b1-8201603b3cf8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_caa4c856-ef6a-4863-a382-d1423deeec87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_e9d6f3a8-c765-4830-8554-5554ba2c8881" 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_nx_LeasesRightofUseAsset_e6bbe9c8-679a-4682-83b1-8201603b3cf8" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_e9d6f3a8-c765-4830-8554-5554ba2c8881" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/LeasesPresentMaturityofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#LeasesPresentMaturityofLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/LeasesPresentMaturityofLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1b02568c-3d0b-4812-8e5a-b21f18a86356" 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_8dfe95eb-448e-4adf-87e8-21920b390915" 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_1b02568c-3d0b-4812-8e5a-b21f18a86356" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_8dfe95eb-448e-4adf-87e8-21920b390915" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_31eef516-d455-4a1c-b488-e13e340abae2" 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_1b02568c-3d0b-4812-8e5a-b21f18a86356" xlink:to="loc_us-gaap_OperatingLeaseLiability_31eef516-d455-4a1c-b488-e13e340abae2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_21f46ee1-301d-435a-850c-83696c704c81" 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_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_83c5d0e8-7b46-4931-8ec2-493cd7943186" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_83c5d0e8-7b46-4931-8ec2-493cd7943186" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_62e1f2a8-284e-49e6-9453-457d70740bda" 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_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_62e1f2a8-284e-49e6-9453-457d70740bda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d84e0876-4adb-4cb0-ba55-be82fab22e04" 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_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d84e0876-4adb-4cb0-ba55-be82fab22e04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_e0468e98-43ed-43e7-8a78-fdcf53dc58a8" 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_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_e0468e98-43ed-43e7-8a78-fdcf53dc58a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nx_FinanceLeaseLiabilityToBePaidAfterYearFour_6222a221-c9be-4232-b364-184808227e09" xlink:href="nx-20250430.xsd#nx_FinanceLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_nx_FinanceLeaseLiabilityToBePaidAfterYearFour_6222a221-c9be-4232-b364-184808227e09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_f36aeac6-2ee4-47ff-bcf1-e80609aad407" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_21f46ee1-301d-435a-850c-83696c704c81" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_f36aeac6-2ee4-47ff-bcf1-e80609aad407" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/LeasesPresentMaturityofLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="nx-20250430.xsd#LeasesPresentMaturityofLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/LeasesPresentMaturityofLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b7f1055f-f331-4afc-9932-4642e66e1316" 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_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_0a8575de-23ef-4a24-9389-53cf07c12232" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_0a8575de-23ef-4a24-9389-53cf07c12232" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_182678fa-2ea5-4802-ab51-65841f09ef98" 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_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_182678fa-2ea5-4802-ab51-65841f09ef98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_646e1d3b-326f-4079-a7ba-736a1923bbeb" 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_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_646e1d3b-326f-4079-a7ba-736a1923bbeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_23101807-79bb-403f-bc7e-2c2eddc2cdeb" 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_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_23101807-79bb-403f-bc7e-2c2eddc2cdeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nx_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_23967c5d-20cb-465e-8cfb-c38ad9e807cc" xlink:href="nx-20250430.xsd#nx_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_nx_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_23967c5d-20cb-465e-8cfb-c38ad9e807cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e71fe9df-e3a8-43ef-9a33-e83cf70acc85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b7f1055f-f331-4afc-9932-4642e66e1316" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e71fe9df-e3a8-43ef-9a33-e83cf70acc85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_21978087-d01c-488f-bb4d-6e29ec442e57" 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_739fa72f-4a29-491f-9e98-10dacc104371" 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_21978087-d01c-488f-bb4d-6e29ec442e57" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_739fa72f-4a29-491f-9e98-10dacc104371" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_91f1e8b9-a042-40ae-92cc-bf8188fef20a" 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_21978087-d01c-488f-bb4d-6e29ec442e57" xlink:to="loc_us-gaap_FinanceLeaseLiability_91f1e8b9-a042-40ae-92cc-bf8188fef20a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/PropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#PropertyPlantandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/PropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_cd3e4402-3e71-4838-8916-9785e14b70fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndLandImprovements_44b1f5f7-33ff-460a-b4ef-3b9d55b186e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandAndLandImprovements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_cd3e4402-3e71-4838-8916-9785e14b70fa" xlink:to="loc_us-gaap_LandAndLandImprovements_44b1f5f7-33ff-460a-b4ef-3b9d55b186e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_9b931bc3-0fc2-4ce5-ac56-f54c7dd92ff0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingsAndImprovementsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_cd3e4402-3e71-4838-8916-9785e14b70fa" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_9b931bc3-0fc2-4ce5-ac56-f54c7dd92ff0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_24f22b88-e4ae-47f4-a73c-d721a62a8b73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MachineryAndEquipmentGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_cd3e4402-3e71-4838-8916-9785e14b70fa" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_24f22b88-e4ae-47f4-a73c-d721a62a8b73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_74c71d15-c211-43b4-9260-f758d35a17ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_cd3e4402-3e71-4838-8916-9785e14b70fa" xlink:to="loc_us-gaap_ConstructionInProgressGross_74c71d15-c211-43b4-9260-f758d35a17ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_2b0c21fb-a696-43d3-8902-5b61e44fa1f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_6f99e820-3cc2-4062-a238-a59a3f7c96c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_2b0c21fb-a696-43d3-8902-5b61e44fa1f2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_6f99e820-3cc2-4062-a238-a59a3f7c96c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a7311e65-e7da-46a3-9d25-6959b6a5b16c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_2b0c21fb-a696-43d3-8902-5b61e44fa1f2" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a7311e65-e7da-46a3-9d25-6959b6a5b16c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/GoodwillandIntangibleAssetsIdentifiableIntangibleAssetsDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#GoodwillandIntangibleAssetsIdentifiableIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/GoodwillandIntangibleAssetsIdentifiableIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" 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_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_1a3c5e47-faf9-4fd0-84be-d7ab66102e90" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_1a3c5e47-faf9-4fd0-84be-d7ab66102e90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_d12fd7cc-a8eb-44e4-836f-bd1a393acfbe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_d12fd7cc-a8eb-44e4-836f-bd1a393acfbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_88e6592c-4d18-4fee-b73a-cb7378d6abe2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_88e6592c-4d18-4fee-b73a-cb7378d6abe2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_80aab156-d794-4783-9d2d-9c81fb379335" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_80aab156-d794-4783-9d2d-9c81fb379335" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_cbfee176-6dc5-4db6-bd0e-b28bc9873798" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_cbfee176-6dc5-4db6-bd0e-b28bc9873798" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_3917906c-411b-4532-83c1-214bec91c5f4" xlink:href="nx-20250430.xsd#nx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c71eb82-c6d7-4bbd-baa6-9ef0b087c60b" xlink:to="loc_nx_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_3917906c-411b-4532-83c1-214bec91c5f4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/DebtandFinanceLeaseObligationsDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#DebtandFinanceLeaseObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/DebtandFinanceLeaseObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_df66a955-b0ef-4e3b-aba7-628bd32f452b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5cc32f61-8a3d-4da2-97f9-5e0ecc0f1180" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_df66a955-b0ef-4e3b-aba7-628bd32f452b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5cc32f61-8a3d-4da2-97f9-5e0ecc0f1180" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_7e8b0069-df9b-4f60-b4a6-5e7a5689f700" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtAndCapitalLeaseObligations_df66a955-b0ef-4e3b-aba7-628bd32f452b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_7e8b0069-df9b-4f60-b4a6-5e7a5689f700" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.quanexbuildingproducts.com/role/OthernetDetails" xlink:type="simple" xlink:href="nx-20250430.xsd#OthernetDetails"/>
  <link:calculationLink xlink:role="http://www.quanexbuildingproducts.com/role/OthernetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_491edcf8-9bf0-40c2-b53f-6539f319007f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:to="loc_us-gaap_InvestmentIncomeInterest_491edcf8-9bf0-40c2-b53f-6539f319007f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonrecurringIncomeExpense_93549113-2bab-4b10-9c19-8407e68af997" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonrecurringIncomeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:to="loc_us-gaap_OtherNonrecurringIncomeExpense_93549113-2bab-4b10-9c19-8407e68af997" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_4a5a3a0d-fa15-45ce-9a1c-83ec4ce0daac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_4a5a3a0d-fa15-45ce-9a1c-83ec4ce0daac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_234bf196-c3b7-42fc-8528-bd1f7491b0ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:to="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_234bf196-c3b7-42fc-8528-bd1f7491b0ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nx_PensionServiceBenefit_a7f25f63-52ba-43b3-874b-eafbf064771b" xlink:href="nx-20250430.xsd#nx_PensionServiceBenefit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingGainsLosses_fed968c9-3854-4eae-aa89-19569bbb23a5" xlink:to="loc_nx_PensionServiceBenefit_a7f25f63-52ba-43b3-874b-eafbf064771b" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
