Stone Calculator

Calculate how much crushed stone or decorative stone you need by area and depth. Get cubic yards and estimated tons.

Circle uses length as the diameter; width is ignored.

5% simple, 10% normal, 15% irregular, 20% complex.

Leave at 0 to skip the cost estimate.

Results

Volume needed
1.85 cu yd
With 10% waste
2.04 cu yd
Cubic feet
50 cu ft
Cubic meters
1.42 m³
Estimated weight
3.06 tons

Estimates only. Round up and buy a little extra to account for waste, spills, and breakage.

Formula

Volume (cu ft) = area × depth ÷ 12. Cubic yards = cu ft ÷ 27. Waste-adjusted = volume × (1 + waste%).

Frequently asked questions

How many tons of stone do I need?
Multiply cubic yards by about 1.5 to estimate tons of crushed stone.
What depth of stone should I use?
Use 2–3 inches for decorative beds and 4 inches or more for driveways.

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