Guides
How Much Gravel for a 12×24 Driveway?
Quick Answer
For a 12x24 foot driveway at 4 inches deep, you need about 96 cubic feet, or 3.56 cubic yards, of gravel. Using a typical crushed stone density of 1.5 tons per cubic yard, that is about 5.33 tons, or about 5.87 tons with 10% extra.
Project Assumptions
This driveway example uses crushed stone and a 4-inch gravel layer. Driveways often need local base and compaction guidance.
- Driveway size: 12 ft x 24 ft
- Total area: 288 square feet
- Gravel depth: 4 inches
- Material type: crushed stone
- Estimated density: 1.5 tons per cubic yard
- Extra material allowance: 10%
Step-by-step Calculation
Area = 12 x 24 = 288 sq ft. Depth in feet = 4 / 12 = 0.333 ft.
Cubic feet = 288 x 0.333 = 96 cu ft. Cubic yards = 96 / 27 = 3.56 cu yd.
Tons = 3.56 x 1.5 = 5.33 tons. With 10% extra, plan for about 3.91 cu yd and 5.87 tons.
Practical Buying Notes
A driveway usually needs a stronger base than a decorative gravel area. The exact depth depends on soil conditions, expected vehicle weight, drainage, and whether there is already a compacted base.
Ask your supplier about the recommended gravel type and compaction for driveways in your area.
Common Mistakes
Driveway gravel estimates should include weight, base, and compaction assumptions.
- Using a decorative gravel depth for a driveway.
- Forgetting that gravel compacts.
- Ignoring the base layer.
- Assuming every gravel type weighs the same.
- Not ordering extra for edges and uneven ground.
| Item | Estimate |
|---|---|
| Area | 288 sq ft |
| Depth | 4 inches |
| Volume | 96 cu ft |
| Cubic yards | 3.56 cu yd |
| Estimated tons | 5.33 tons |
| Cubic yards with 10% extra | 3.91 cu yd |
| Tons with 10% extra | 5.87 tons |
Related Calculator
Planning toolGravel CalculatorAdjust area, depth, gravel type, density, and extra material.FAQ
Is 4 inches of gravel enough for a driveway?+
Four inches may work for a light-use gravel layer, but driveways often need a properly prepared base. Local soil and vehicle weight matter.
How many tons of gravel for a 12x24 driveway?+
At 4 inches deep using crushed stone at 1.5 tons per cubic yard, about 5.33 tons, or about 5.87 tons with 10% extra.
Why does gravel density matter?+
Gravel is often sold by the ton, but project volume is usually measured in cubic yards. Density connects the two.