Gravel for a 12 × 20 Driveway
A 12 × 20 ft driveway at 4 inches of crushed stone needs about 4.2 tons (≈ 3.81 tonnes) — about 2.96 cubic yards, covering 240 sq ft.
Adjust the numbers
Pre-filled for a 12 × 20 ft area — change the size, depth, or stone type, or switch to metric.
Driveway, path, patio base, or pad
Estimate only. These figures help you plan how much to buy — they are not engineering or structural advice. Actual needs vary with site conditions, waste, and installation method, so order a little extra and confirm final quantities with your supplier or contractor before you buy or start the job.
Other driveway sizes
Frequently asked questions
How much gravel do I need for a 12x20 driveway?
A 12 × 20 ft driveway at 4 inches deep is about 2.96 cubic yards. For crushed stone (~1.42 tons per cubic yard) that's roughly 4.2 tons (≈ 3.81 tonnes).
How many tons of gravel for a 12x20 driveway?
About 4.2 tons of crushed stone. Pea gravel weighs a little less and crusher-run a little more, so adjust by stone type.
How deep should gravel be for a driveway?
This estimate uses 4 inches. Driveways are usually about 4 inches (often over a compacted base); paths and decorative areas use 2–3 inches.