Gravel for 30 × 50 ft by depth
| Depth | Cu ft | Cu yd | Tons, gravel | Tons, crushed stone | 0.5 cu ft bags |
|---|---|---|---|---|---|
| 2 in | 250 | 9.26 | 13.1 | 13.9 | 500 |
| 3 in | 375 | 13.9 | 19.7 | 20.8 | 750 |
| 4 in | 500 | 18.5 | 26.2 | 27.8 | 1,000 |
| 6 in | 750 | 27.8 | 39.4 | 41.7 | 1,500 |
| 8 in | 1,000 | 37.0 | 52.5 | 55.6 | 2,000 |
| 12 in | 1,500 | 55.6 | 78.8 | 83.3 | 3,000 |
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
1,500 sq ft × depth (in) ÷ 12 ÷ 27 = cubic yards
At 4 inches: 1,500 × 4 ÷ 12 = 500.0 cubic feet, ÷ 27 = 18.5 cubic yards. Multiply by the weight per cubic yard of your stone to get tons.
Common questions
How many yards of gravel for a 30x50 area at 3 inches?
13.9 cubic yards, about 19.7 tons.
How many bags of gravel for a 30x50 area?
At 2 inches deep, 500 bags of 0.5 cu ft; at 4 inches, 1000.
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