Gravel calculator — cubic yards, m³ and tons
Enter length and width in feet and depth in inches. Weight uses the density you enter; 1.4 tons per cubic yard is a common planning figure for crushed stone, but your supplier's figure is better.
gravel calculator
- Volume
- 2.47yd³
- Volume (metric)
- 1.89m³
- Estimated weight
- 3.46US tons
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Formula
yd³ = L(ft) × W(ft) × depth(in) ÷ 12 ÷ 27 · tons = yd³ × density · 1 ft³ = 0.0283168 m³Density varies by stone type, size and moisture. Compaction can require ordering more than the loose volume.
Worked examples
| Input | Result |
|---|---|
| 20 × 10 ft at 4 in | 66.67 ft³ = 2.47 yd³ ≈ 3.46 tons at 1.4 |
| 50 × 12 ft driveway at 6 in | 300 ft³ = 11.11 yd³ ≈ 15.56 tons |
Area covered by 1 cubic yard
| Depth | Coverage |
|---|---|
| 2 in | 162 ft² |
| 3 in | 108 ft² |
| 4 in | 81 ft² |
| 6 in | 54 ft² |
| 8 in | 40.5 ft² |
| 12 in | 27 ft² |
Questions
How do I calculate gravel in cubic yards?
Multiply length × width in feet by depth in feet (inches ÷ 12), then divide by 27.
How much does a cubic yard of gravel weigh?
Often around 1.4 US tons for crushed stone, but it ranges with material and moisture. Ask your supplier.
How much area does a ton cover?
At 1.4 tons/yd³ and 4 in deep, one ton covers about 58 ft².
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