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| Depth | Cu yd | Tons (≈1.4 t/yd³) |
|---|---|---|
| 2″ | 4.44 | 6.22 |
| 3″ | 6.67 | 9.33 |
| 4″ | 8.89 | 12.44 |
| 6″ | 13.33 | 18.67 |
| 8″ | 17.78 | 24.89 |
Worked example
12 × 60 = 720 sq ft; × 4 in ÷ 12 = 240.0 cu ft; ÷ 27 = 8.89 yd³ ≈ 12.44 tons. Density varies by stone type and moisture, so confirm with your supplier.
Frequently asked questions
How many tons of gravel for 12×60?
About 12.44 tons at 4 inches.