{"id":26,"date":"2026-08-03T18:19:15","date_gmt":"2026-08-03T18:19:15","guid":{"rendered":"https:\/\/calculator.spokenenglishtips.com\/?calculator=concrete-volume"},"modified":"2026-08-03T18:19:15","modified_gmt":"2026-08-03T18:19:15","slug":"concrete-volume","status":"publish","type":"calculator","link":"https:\/\/calculator.spokenenglishtips.com\/?calculator=concrete-volume","title":{"rendered":"Concrete Volume Calculator"},"content":{"rendered":"<h2 class=\"wp-block-heading\">How to use the Concrete Volume Calculator<\/h2><p class=\"wp-block-paragraph\">Estimate cubic feet and cubic yards of concrete for a rectangular slab, including an optional waste allowance. Enter the requested values, review their units, and select Calculate. The result panel shows both the answer and the substituted steps.<\/p><h2 class=\"wp-block-heading\">The formula<\/h2><div class=\"wp-block-group formula-box is-layout-flow wp-block-group-is-layout-flow\"><p><strong>volume = length \u00d7 width \u00d7 depth<\/strong><\/p><\/div><h2 class=\"wp-block-heading\">Frequently asked questions<\/h2><h3 class=\"wp-block-heading\">Why add a waste allowance?<\/h3><p class=\"wp-block-paragraph\">Excavation variation, form dimensions, spillage, and finishing can make the placed quantity exceed ideal geometric volume.<\/p><h3 class=\"wp-block-heading\">How many cubic feet are in a cubic yard?<\/h3><p class=\"wp-block-paragraph\">One cubic yard contains exactly 27 cubic feet.<\/p><h2 class=\"wp-block-heading\">Important notes<\/h2><p class=\"wp-block-paragraph\">Results are estimates based on the values supplied and the formula shown. Round only at the end of a calculation, and verify safety-critical, medical, financial, or construction decisions with an appropriate professional.<\/p>","protected":false},"excerpt":{"rendered":"<p>Estimate cubic feet and cubic yards of concrete for a rectangular slab, including an optional waste allowance.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","meta":{"footnotes":""},"calculator_category":[8],"calculator_subcategory":[21],"calculator_engine":[22],"calculator_tag":[],"class_list":["post-26","calculator","type-calculator","status-publish","hentry","calculator_category-construction","calculator_subcategory-concrete-masonry","calculator_engine-construction-rectangular_volume"],"_links":{"self":[{"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=\/wp\/v2\/calculator\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=\/wp\/v2\/types\/calculator"}],"author":[{"embeddable":true,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=\/wp\/v2\/calculator\/26\/revisions"}],"wp:attachment":[{"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26"}],"wp:term":[{"taxonomy":"calculator_category","embeddable":true,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcalculator_category&post=26"},{"taxonomy":"calculator_subcategory","embeddable":true,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcalculator_subcategory&post=26"},{"taxonomy":"calculator_engine","embeddable":true,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcalculator_engine&post=26"},{"taxonomy":"calculator_tag","embeddable":true,"href":"https:\/\/calculator.spokenenglishtips.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcalculator_tag&post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}