Concept Drafts › Free tools › Concrete for a slab or footing calculator
Concrete for a slab or footing calculator
Cubic yards of concrete and the number of bags for a slab, pad or footing.
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Cubic yards = length × width × thickness (in feet) ÷ 27. Large slabs are usually cheaper as a ready-mix delivery. Footings and slabs that carry a building must be designed to local code.
Stop working out one number at a time
A calculator is a quick check. A concept draft works these numbers out together with specs, drawings, a priced parts list, build phases and the rules to check, and updates them all when you change something.
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