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How much gravel for a 100 ft driveway?

A 100 ft driveway (1,200 sq ft) takes about 20.5 tons of gravel at 4 inches deep, or 14.8 cubic yards. That's 1.2 trucks of a standard 18-ton dump truck.

5 ft10 ft15 ft20 ft25 ft30 ft35 ft40 ft45 ft
20.5 tons is a pile about 17 feet across and 5.3 feet high.

A long suburban or short rural driveway.

Tons at each depth

Depth Use it for Cubic yards Tons With 10% extra Share of a truck
2 in Refreshing thin old gravel 7.4 10.5 11.5 half
3 in Heavier refresh, or a light new driveway 11.1 15.5 17 nearly all
4 in New driveway, cars 14.8 20.5 23 1.2 trucks
6 in Trucks and heavy use 22.2 31 34 1.7 trucks

What 20.5 tons looks like

Dumped in one spot, that's a pile about 17 feet across and 5.3 feet high, so plan on a clear spot about the size of a parking space, and rake it out from there.

Worth knowing at this size

At 3 inches this is almost exactly one 18-ton truck. If you're between depths, a full truck is usually the better price per ton.

At 3 inches you're within 20% of a full 18-ton truck. A full truck often costs little more and leaves extra for low spots.

Is your driveway really 100 ft?

Most aren't exactly. Flares at the street and the apron by the garage add up. Trace yours on a map for the exact number, then price it at your ZIP with Hello Gravel.

Common questions

How many tons of gravel for a 100 ft driveway?

About 20.5 tons at 4 inches deep, 10.5 tons at 2 inches, or 31 tons at 6 inches, using driveway gravel at 1.4 tons per cubic yard.

How many cubic yards of gravel for a 100 ft driveway?

About 14.8 cubic yards at 4 inches deep.

Should I order extra?

We suggest about 10 percent extra, which makes it 23 tons at 4 inches. Gravel spreads and edges are never square.

Trace your driveway on a map. We'll tell you how much gravel to order.

Measure my driveway