Square Feet to Cubic Yards Calculator

Area × Depth

Square Feet to Cubic Yards Calculator

Convert a flat area and a uniform depth into cubic yards — the standard ordering unit for concrete, gravel, mulch, and topsoil. Pick a depth preset for common slab thicknesses.

Area & depth

Use a depth preset for typical slab and bedding thicknesses.

Total area

Depth / Thickness

Waste / overage optional

Cubic yards

6.173yd³

Round up to order

6.25yd³

Area

500 ft²

Depth

4 in (0.3333 ft)

Cubic feet

166.67 ft³

Cubic meters

4.7195 m³

Formula

Cubic yards  =  (area_ft² × depth_ft) ÷ 27
             =  (500 × 0.3333) ÷ 27
             =  6.173 yd³
With waste (0%)  =  6.173 yd³

Concrete is usually ordered to the nearest quarter cubic yard. Rounding up the order accounts for delivery losses, spillage, and slab depth variation.

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Calculator By Adil Balti, Content Proofread and Verify by Muhammad Kumail & Gulzar Abbas.

Square Feet to Cubic Yards Calculator