Gravel Calculator — How Much Gravel Do I Need?
Estimate tons and cubic yards of gravel, crushed stone, or pea gravel for driveways, paths, and drainage projects.
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Your Results
1.85
Cubic Yards
50.0
Cubic Feet
2.59
Tons
* Based on ~1.4 tons/cu yd. Actual weight varies by material type.
Result Breakdown
Coverage at Different Depths — 200 sq ft area
| Depth | Cu Yards | Tons |
|---|---|---|
| 1 inches | 0.62 | 0.86 |
| 2 inches | 1.23 | 1.73 |
| 3 inches | 1.85 | 2.59 |
| 4 inches | 2.47 | 3.46 |
| 5 inches | 3.09 | 4.32 |
| 6 inches | 3.70 | 5.19 |
| 7 inches | 4.32 | 6.05 |
| 8 inches | 4.94 | 6.91 |
Frequently Asked Questions
How much does a yard of gravel weigh?
One cubic yard of gravel typically weighs 1.2 to 1.7 tons (2,400–3,400 lbs), depending on gravel type. This calculator uses 1.4 tons per cubic yard as a general average.
How deep should gravel be for a driveway?
A driveway base layer should be 4–6 inches of compacted gravel. For decorative gravel paths, 2–3 inches is usually sufficient.
How many square feet does a ton of gravel cover?
At 2 inches deep, 1 ton covers approximately 100 sq ft. At 4 inches deep, 1 ton covers approximately 50 sq ft.
What type of gravel is best for driveways?
Crushed stone (often called #57 or #411 stone) is the most common choice for driveways. It compacts well and provides good drainage. Pea gravel is better for decorative beds and paths.
How do I calculate gravel for an irregular shape?
Break the area into rectangles or triangles, calculate each section, and add them together. For a triangle, the area is (base × height) ÷ 2.