12 × 24 ft area: the short answer
Covered 3 inches deep with crushed stone, a 12 × 24 ft area needs about 3.60 tons of gravel — about 2.67 cubic yards (72 cubic feet).
Area size
A 12 × 24 ft area covered 3 inches deep with crushed stone needs about 3.60 tons of gravel — that's 2.67 cubic yards, or 72 cubic feet. Change the depth and stone type below.
Gravel needed
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Covered 3 inches deep with crushed stone, a 12 × 24 ft area needs about 3.60 tons of gravel — about 2.67 cubic yards (72 cubic feet).
Lighter stone like pea gravel weighs a little less per yard; a driveway base goes deeper than a path. Change depth and stone type in the calculator, and order 5–10% extra for spreading.
Approximate crushed-stone density at 3″; 1 ton = 2,000 lb. Estimates only.
A 12 × 24 ft area is a practical planning size for a wider path, a parking pad for one car, a patio base, or a garden work area. The wider footprint means the stone has to distribute weight as well as look even, so base preparation matters more than it does on a narrow walkway.
At this footprint, ask whether the surface will carry vehicle or foot traffic. A parking pad usually needs a compacted sub-base with angular crushed stone that locks together, while a path or decorative bed can use a thinner single layer. Run the calculator at your actual depth and add the base layer as a separate quantity.
At 3 inches of crushed stone, a 12 × 24 ft area needs about 3.60 tons (2.67 cubic yards, 72 cubic feet). A 4-inch driveway base needs about a third more — set your depth in the calculator.
About 2.67 cubic yards at 3 inches deep. Suppliers sell by the ton or the cubic yard, so the calculator shows both — order about 5–10% extra for spreading and settling.
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Estimate only, based on approximate crushed-stone density at 3″ depth. Weights vary with stone size, moisture, and compaction. Confirm tonnage with your supplier before delivery.