Calculate how much gravel you need for a driveway, path or base in cubic yards, tons, cubic meters and bags, from the area and depth, plus cost.
About this tool
Calculate how much gravel you need in cubic yards, tons and bags.
How to use Gravel Calculator
- Enter the length, width and depth of the area.
- Add waste and an optional price per unit.
- Read the volume, weight and bags needed.
Worked example
A 20 × 10 ft path 4 in deep needs about 2.6 cubic yards of gravel, roughly 3.5 tons.
How deep should gravel be?
About 2 in for paths, 4 in for patios and 4–6 in for driveways over a compacted base.
How much does a cubic yard weigh?
Gravel weighs about 1.4 tons per cubic yard, more when wet.
- Gravel Calculator — Calculate how much gravel you need in cubic yards, tons and bags.
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