Gravel Calculator for Shed Bases
Estimate a gravel pad base for a shed.
A shed sits best on a compacted gravel pad about 4 inches deep, extending a foot past the shed on each side for drainage. The calculator starts at 4 inches and reports tons for ordering by weight.
Gravel Calculator
Estimate how much you need — and the cost.
- cubic feet 33.33
- cubic meters 0.944
- tons (US) 1.85
- tonnes 1.68
Tip: Make the gravel pad about 2 ft longer and wider than the shed so rain drains away from the floor.
How it's calculated
1 cubic yard covers about 324 sq ft at 1 in / about 162 sq ft at 2 in deep; about 1.5 US tons per cubic yard (typically 1.4–1.7).
See the full Gravel Calculator for the complete how-to, unit conversions, and data sources.
Gravel Calculator for Shed Bases FAQ
How deep should a gravel shed base be?
About 4 inches of compacted crushed stone, extended a foot beyond the shed on all sides for drainage.
How much gravel for a shed base?
Size the pad a foot larger than the shed each way, then use a 4-inch depth. A 10 × 12 ft pad sized to 12 × 14 ft needs about 2.1 cubic yards.