Gravel Quantity Calculator
Gravel volume and tonnage for paths, driveways and bases.
Inputs
m
m
mm
t/m³
Gravel 1.5–1.7 · crushed stone ≈ 1.6 · sand ≈ 1.5
%
Results
- Gravel needed
- 3.96 t
- Volume
- 2.475 m³
- Volume
- 3.24 yd³
- Weight
- 4.37 US tons
Formula
Volume = L × W × Depth × (1 + allowance)
Tonnes = Volume × bulk density
Assumptions & limits
- Bulk density varies with stone size and moisture.
Worked example
10 × 3 × 0.075 × 1.1 = 2.475 m³ × 1.6 = 3.96 t.