How much gravel for 300 square feet?
At 3 inches deep, 300 square feet needs 2.78 cubic yards of gravel, or about 150 bags (0.5 cu ft (50 lb) each).
Crushed stone weighs about 1.4 tons per cubic yard; it varies by stone type.
| Depth | Cubic yards | 0.5 cu ft (50 lb) bags | Tons |
|---|---|---|---|
| 2 in | 1.85 | 100 | 2.59 |
| 3 in | 2.78 | 150 | 3.89 |
| 4 in | 3.70 | 200 | 5.19 |
1 cubic yard = 27 cubic feet. Bulk delivery is usually cheaper than bags above about 1 to 2 cubic yards.