Gravel Reference

Gravel for a 10 by 20 Driveway

How much gravel you need for a 10 by 20 foot driveway, in cubic yards and tons.

Gravel for a 10x20 driveway

At 3 inches deep, with a 5 percent allowance.

Cubic yards
1.94cu yd
Tons (approx)
2.72tons
cubic yards = 10 × 20 × (3 / 12) ÷ 27 × 1.05 = 1.94 cu yd

That is about 3 × 6.1 m, roughly 1.49 m³ at 8 cm deep.

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About this estimate

A 10 by 20 foot area at 3 inches is about 1.85 cubic yards before waste. Crushed gravel runs roughly 1.4 tons per cubic yard, though pea gravel and washed stone differ.

Spreading gravel? A contractor wheelbarrow makes short work of moving it from the pile.

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Common questions

How much gravel for a 10 by 20 driveway?

A 10 by 20 foot area at 3 inches deep needs about 1.94 cubic yards, roughly 2.72 tons of crushed gravel.

How deep should a gravel driveway be?

Three to four inches for a top layer over an existing base, more for a full build with a sub base. Confirm the stone density with your supplier.
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