How to Calculate Gravel
What is Gravel?
Gravel Coverage Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formula
Tons = Length × Width × Depth (inches) / 12 / 27 × Unit Weight (≈1.4 tons/cy)
Step-by-Step Guide
- 1Measure area, determine depth, calculate cubic yards, convert to tons
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Worked Examples
Input
500 sf driveway, 4 inch depth
Result
Tons = 500×4/12/27 × 1.4 = 8.6 tons
Common Mistakes to Avoid
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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