Concrete Slab Volume Calculator

Calculate concrete slab volume calculator for construction and building projects.

Free to use

12,500+ users

Updated January 2025

Instant results

Concrete Slab Volume Calculator

Estimate concrete for slabs

Length (ft)

Width (ft)

Thickness (in)

About Concrete Calculation

This calculator finds the volume of a rectangular slab in cubic yards, the standard unit for ordering ready-mix concrete. It also estimates the number of 80 lb or 60 lb bags needed for smaller projects. Formula: (L_ft × W_ft × (T_in/12)) / 27 = yd³.

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