Cubic Yard Calculator
Convert length, width and depth into cubic yards for any bulk material.
You need approximately
1.23 cu yd
- Recommended with 10% waste
- 1.36 cu yd
- Cubic feet
- 33.33 ft³
- Cubic meters
- 0.94 m³
- Estimated weight
- 1.36 tons
Estimated material cost
$27
How we calculate this
Cubic yards = (length × width × depth) ÷ 27. Depth is entered in inches and converted to feet first (depth ÷ 12), since length and width are measured in feet. This is the core formula behind every bulk material calculator on this site.
Example
Measuring tips
Measure length and width at ground level. For depth, decide your target thickness in inches — most base material layers run 3–6 inches deep depending on the project.
Common mistakes
- Entering depth in feet instead of inches (the calculator expects inches).
- Forgetting that bulk material is usually sold by the cubic yard, not the cubic foot.
- Skipping the waste allowance, then running short mid-delivery.
Frequently asked questions
How many cubic feet are in a cubic yard?
27 cubic feet make one cubic yard (3 ft × 3 ft × 3 ft).
Why does the calculator ask for depth in inches?
Most material depths (gravel base, mulch, topsoil) are specified in inches, so entering inches avoids decimal-foot math errors.
How much waste allowance should I use?
For irregular ground, compaction, or spillage, 10% is a reasonable default. Flat, well-measured areas can use less.
Related calculators
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Topsoil Calculator
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Sand Calculator
Estimate sand for paver base, play areas or fill by cubic yard and ton.
Soil Yard Calculator
Estimate cubic yards of garden or fill soil needed for your project.
Estimates are provided for planning purposes. Actual material requirements may vary based on supplier specifications, compaction, site conditions, installation method, waste, and local code.