How to use it
- Enter the area size.
- Choose the depth: 2–3 in for paths, 9–12 in for play areas under equipment.
- Choose your state to see typical prices.
The formula
Cubic yards = length × width × depth ÷ 27
Tons ≈ cubic yards × 1.4
Worked example
| Length | 20 ft |
| Width | 10 ft |
| Depth | 3 in |
| State (for price) | U.S. average |
| Extra for settling / compaction | 5 % |
Result
| Cubic yards | 1.94 yd³ |
| Tons | 2.72 short tons |
| Cubic feet | 52.5 ft³ |
| Cubic meters | 1.49 m³ |
| Area covered | 200 ft² |
| Estimated material cost | $76–$122 |
Tips before you order
- Use steel, aluminum or paver edging so the gravel doesn't migrate into the lawn.
- For walking surfaces, put 2–3 in of compacted crusher run underneath and keep the pea gravel layer to about 2 in.
See typical gravel prices for every state on the gravel prices by state page.
Questions
How much pea gravel do I need for a playground?
Playground safety guidance generally calls for about 9 in of loose-fill gravel, which works out to 1 yd³ per 36 ft².
How much does pea gravel cost?
Typical U.S. prices are about $28–$45 per ton or $29–$86 per cubic yard (HomeGuide, December 2025).