Author name: project911

Estimate concrete volume for flat roofs, ground-floor slabs, suspended slabs, and any rectangular or square concrete slab.

Every concrete volume estimate multiplies the cross-sectional area by the length in the third dimension. Here are the exact formulas for all six structural element types in this guide.

The trusted reference for engineers, contractors, students, and self-builders worldwide. Estimate mix design, quantities, costs, and more — instantly, for free, on any device.

Select the right guide for your structural element — slab, beam, column, footing, and more.