Gravel Calculator
ft
ft
in
A gravel calculator determines how much gravel, crushed stone, or pea gravel you need for a project area. It calculates volume in cubic yards or cubic feet and converts to weight (tons) — the unit gravel is typically sold in.
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Tip: Always add 10–15% extra for waste and compaction. Buy from local quarries when possible — gravel is heavy and shipping dramatically increases cost. Half a mile can double the price.
- 1Volume = Length (ft) × Width (ft) × Depth (ft) / 27 = cubic yards
- 2Typical coverage depth: driveways 3–4", paths 2–3", drainage 6–12"
- 3Weight: gravel weighs ~2,800 lbs/yd³ (1.4 tons/yd³)
- 4Compaction: gravel compacts 10–15%, so order ~15% extra
| Application | Depth | Coverage per ton |
|---|---|---|
| Walkways/paths | 2" | ~60 sq ft |
| Driveways (residential) | 3–4" | ~40 sq ft |
| Driveways (heavy use) | 6" | ~20 sq ft |
| Drainage (French drain) | 12" | ~10 sq ft |
| Decorative ground cover | 1–2" | ~80 sq ft |
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Fun Fact
The US produces about 1 billion tons of crushed stone, sand, and gravel annually — more than any other non-fuel mined commodity. At ~$10/ton, it's one of the cheapest but most essential construction materials.
References
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