Cubic Yard Calculator
Convert length, width, and depth into cubic yards for ordering concrete, gravel, mulch, topsoil, or fill — plus cubic feet, cubic metres, and dump-truck loads.
Formula and figures last reviewed by the Cosyslabs team · how we verify
Inputs
Result
Cubic yards
1.23 yd³
Cubic feet
33.3 ft³
- Cubic metres
- 0.94 m³
- Dump-truck loads (12 yd³)
- 1
- Depth used
- 0.33 ft
Waste default: 0% — This is a pure volume conversion — add the waste factor your specific material calls for.
Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.
Formula
yd³ = (L ft × W ft × D ft) ÷ 27 · depth in inches ÷ 12 = depth in feet
References
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Frequently asked questions
Multiply length by width by depth in feet, then divide by 27. A 10 × 10 ft area at 4 inches deep is 10 × 10 × 0.333 ÷ 27 = 1.23 cubic yards.
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Cosyslabs. (2026). Cubic Yard Calculator. Rough Estimator!. https://roughestimator.com/cubic-yard-calculator
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