Gravel Calculator — Tons & Cubic Yards
Enter the area and depth to get the tons and cubic yards of gravel required.
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How it works
cubic yards = (length_ft × width_ft × depth_in ÷ 12) ÷ 27; tons = cubic yards × 1.4
How much one ton of gravel covers
| Depth | Coverage per ton |
|---|---|
| 2 in | ~116 sq ft |
| 3 in | ~77 sq ft |
| 4 in | ~58 sq ft |
| 6 in | ~39 sq ft |
Based on gravel at ~1.4 tons per cubic yard (≈19 cu ft per ton). Crushed stone and pea gravel vary slightly; order ~10% extra.
Frequently asked questions
How many cubic yards of gravel are in a ton?
Gravel weighs about 1.4 tons per cubic yard, so one ton is roughly 0.7 cubic yards — about 19 cubic feet.
How much does a ton of gravel cover?
At a 2-inch depth, one ton covers about 115 sq ft; at 3 inches about 77 sq ft; at 4 inches about 58 sq ft. Use a thinner layer for top-dressing and 3–4 inches for driveways and paths.
How much gravel do I need for a 2-car driveway?
A typical 20×20 ft (400 sq ft) two-car driveway at 4 inches deep needs about 4.9 cubic yards — roughly 6.9 tons. Order about 10% extra for compaction and spreading.