Free contractor calculator
Gravel Calculator
Enter the area and depth of your project and pick a material, and this calculator returns the volume in cubic feet and cubic yards plus the approximate tonnage to order. Density varies by material, so the tonnage is an estimate you can refine with your supplier.
Your measurements
Result
- Volume
- 2.96cu yd
- Volume
- 80cu ft
- Approx. weight
- 4.15tons
How this is calculated
Volume
length (ft) × width (ft) × depth (in ÷ 12) = cubic feet
Cubic yards
cubic feet ÷ 27
Tons
cubic yards × 1.4 tons/cu yd (density varies, confirm with your supplier)
Taking this off a real plan?
JobPlumb measures slabs, walls, roofs and runs straight off your drawings, then prices the job and sends a proposal your client accepts online. Free to start, no install.
See JobPlumb estimatingHow to use it
- 1Enter the length and width of the area in feet and the depth in inches.
- 2Choose your material: crushed stone, pea gravel, sand or topsoil.
- 3Read the volume in cubic yards and the approximate tonnage.
- 4Confirm the density with your supplier before ordering by weight.
Gravel Calculator, answered
Multiply length × width in feet by the depth in feet (inches ÷ 12) to get cubic feet, then divide by 27. A 20 × 12 ft pad at 4 inches is 80 cubic feet, or about 2.96 cubic yards.
Measure it off the real plan in JobPlumb.
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