Crushed stone and gravel
Gravel Calculator USA 2026
Cubic yards = area × depth (in ÷ 12) ÷ 27, converted to tons using a compacted density of roughly 1.4 tons per cubic yard.
Reviewed by BuildMate Editorial Team Construction Researchers Updated March 2026 2 min read Fact-checked
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Cubic yards (with 10% compaction)5.43 yd³
Tons7.60
Coverage400 sq ft
Show calculation steps
- Volume = 40 × 10 × (4/12) = 133.33 ft³
- Cubic yards = 133.33 ÷ 27 × 1.10 = 5.43
- Tons ≈ 5.43 × 1.4 = 7.60
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How the crushed stone and gravel math works
Cubic yards = area × depth (in ÷ 12) ÷ 27, converted to tons using a compacted density of roughly 1.4 tons per cubic yard.
Yards = (L × W × Depth/12) ÷ 27 → Tons = Yards × 1.4
Frequently asked questions
What depth for a driveway?
4" of #57 stone over 4" of compacted road base.
How much does a yard weigh?
About 2,800 lb (1.4 tons) for dry, clean crushed stone.
Estimates based on 2026 RSMeans USA data and national material averages. Always confirm quantities with your supplier or contractor before ordering.