Gravel for 500 sq ft by depth
| Depth | Cu ft | Cu yd | Tons, gravel | Tons, crushed stone | 0.5 cu ft bags |
|---|---|---|---|---|---|
| 2 in | 83 | 3.09 | 4.38 | 4.63 | 167 |
| 3 in | 125 | 4.63 | 6.56 | 6.94 | 250 |
| 4 in | 167 | 6.17 | 8.75 | 9.26 | 334 |
| 6 in | 250 | 9.26 | 13.1 | 13.9 | 500 |
| 8 in | 333 | 12.3 | 17.5 | 18.5 | 667 |
| 12 in | 500 | 18.5 | 26.2 | 27.8 | 1,000 |
Gravel at 1.42 t/yd³ (Engineering ToolBox); crushed stone at 1.50 t/yd³ (Hello Gravel). No extra added.
Rochester Concrete Products' install guide adds 10% for compaction and uneven ground.
Working it out
500 sq ft × depth (in) ÷ 12 ÷ 27 = cubic yards
At 4 inches: 500 × 4 ÷ 12 = 166.7 cubic feet, ÷ 27 = 6.17 cubic yards. Multiply by the weight per cubic yard of your stone to get tons.
Common questions
How many yards of gravel for 500 sq ft at 3 inches?
4.63 cubic yards, about 6.56 tons.
How many bags of gravel for 500 sq ft?
At 2 inches deep, 167 bags of 0.5 cu ft; at 4 inches, 334.
Related calculators
Sources
- https://www.engineeringtoolbox.com/dirt-mud-densities-d_1727.html
- https://hellogravel.com/guides/2025-gravel-prices-per-ton-delivered-cost-calculator-and-regional-rates/
- https://www.doitbest.com/product/276837/
- https://rochestercp.com/resources/installation-manuals/installation-manual-vintage-6.pdf