A 20 x 24 driveway (480 sq ft) takes about 8.5 tons of gravel at 4 inches deep, or 5.9 cubic yards. That's half of a standard 18-ton dump truck.
8.5 tons is a pile about 13 feet across and 3.9 feet high.
A two-car pad in front of a double garage.
Tons at each depth
Depth
Use it for
Cubic yards
Tons
With 10% extra
Share of a truck
2 in
Refreshing thin old gravel
3
4
4.5
one-quarter
3 in
Heavier refresh, or a light new driveway
4.4
6
7
one-third
4 in
New driveway, cars
5.9
8.5
9
half
6 in
Trucks and heavy use
8.9
12.5
13.5
two-thirds
What 8.5 tons looks like
Dumped in one spot, that's a pile about 13 feet across and 3.9 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
Two-car pads get turned on more than straight driveways. Heavy turning scuffs thin gravel, so 4 inches holds up better than 3.
Is your driveway really 20 x 24?
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 20 x 24 driveway?
About 8.5 tons at 4 inches deep, 4 tons at 2 inches, or 12.5 tons at 6 inches, using driveway gravel at 1.4 tons per cubic yard.
How many cubic yards of gravel for a 20 x 24 driveway?
About 5.9 cubic yards at 4 inches deep.
Should I order extra?
We suggest about 10 percent extra, which makes it 9 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.