How it works
Cubic feet = Length × Width × (Depth ÷ 12) · Cubic yards = Cubic feet ÷ 27. Crushed rock weighs roughly 1.35 tons per cubic yard.
Example
A 10 × 10 ft area at 3 in deep is about 0.9 cubic yards (~1.25 tons).
Crushed Rock Calculator
Work out how much crushed rock you need — in cubic yards and tons — for a driveway, drainage or base layer.
- Free
- No sign-up
- Instant results
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Frequently asked questions
- Should I order extra?
- Yes — add about 10% for settling, spillage and uneven ground. Weights are approximate and rise when the material is wet.