Square Feet to Cubic Yards

Square feet to cubic yards needs a depth. At 4 inches deep, 1 ft² = 0.0123 yd³. At 6 inches, 1 ft² = 0.0185 yd³. Multiply your square footage by the table value to get cubic yards.

The formula

yd³ = ft² × (depth in inches ÷ 12) ÷ 27

Square feet (ft²) to Cubic yards (yd³) — at common depths
Depth1 Square =
1 in0.00309 yd³
2 in0.00617 yd³
3 in0.00926 yd³
4 in0.01235 yd³
5 in0.01543 yd³
6 in0.01852 yd³
8 in0.02469 yd³
12 in0.03704 yd³

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