Pea Gravel Calculator
Estimate tons, cubic yards, and bags of pea gravel for paths, play areas, patios, and drainage.
Formula and figures last reviewed — Cosyslabs · how we verify
Inputs
Result
Pea gravel needed
0.67 tons
Volume
0.52 yd³
- 50-lb bags
- 27
- Weight
- 1344 lb
- Coverage
- 80.0 ft² at 2.0 in
- Waste
- 5%
Waste default: 5% — Five percent covers spread beyond the edge and settling into the sub-grade.
Diagram
Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.
Formula
Volume ft³ = L × W × (D in ÷ 12) × (1 + waste) · Tons = ft³ × 96 lb/ft³ ÷ 2000
References
Related tools & materials
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Frequently asked questions
Multiply length by width by depth in feet, then by about 96 lb/ft³ and divide by 2,000 for tons. A 20 × 4 ft path at 2 inches deep needs roughly 0.64 tons, or about 27 fifty-pound bags.
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Cite this page
Cosyslabs. (2026). Pea Gravel Calculator. Rough Estimator!. https://roughestimator.com/pea-gravel-calculator
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