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| Depth | Cu yd | Tons (≈1.4 t/yd³) |
|---|---|---|
| 2″ | 1.85 | 2.59 |
| 3″ | 2.78 | 3.89 |
| 4″ | 3.70 | 5.19 |
| 6″ | 5.56 | 7.78 |
| 8″ | 7.41 | 10.37 |
Worked example
10 × 30 = 300 sq ft; × 4 in ÷ 12 = 100.0 cu ft; ÷ 27 = 3.70 yd³ ≈ 5.19 tons. Density varies by stone type and moisture, so confirm with your supplier.
Frequently asked questions
How many tons of gravel for 10×30?
About 5.19 tons at 4 inches.