Gravel for a 10×40 area
4.94 cubic yards (6.9 tons)
of gravel for 400 sq ft at 4 inches deep. Add about 5% for compaction and spillage.
A 10×40 foot area is 400 square feet. Use 2 to 3 inches for a path or decorative cover, 4 inches for a patio, shed or slab base, and 6 to 8 inches (in layers) for a driveway or parking pad.
Gravel for 10×40 by depth
| Depth | Cubic yards | Tons | 50 lb bags |
|---|---|---|---|
| 2 in | 2.47 | 3.5 | 139 |
| 3 in | 3.7 | 5.2 | 208 |
| 4 in | 4.94 | 6.9 | 277 |
| 6 in | 7.41 | 10.4 | 415 |
| 8 in | 9.88 | 13.8 | 554 |
| 12 in | 14.81 | 20.7 | 830 |
How it’s worked out
- 40 × 10 × 4 in ÷ 12 = 133.33 cu ft.
- 133.33 ÷ 27 = 4.938 cu yd.
- 4.938 × 1.4 tons per yard = 6.91 tons.
Change the numbers
Other area sizes
- 8×40 area
- 12×40 area
- 10×30 area
- 10×50 area
- 10×25 area
- 6×40 area
- 10×24 area
- 10×20 area
- 10×60 area
- 15×40 area
- 4×40 area
- 10×16 area
Questions
- How much gravel do I need for a 10×40 area?
- 4.94 cubic yards (about 6.9 tons) at 4 inches deep, and 7.41 cubic yards (10.4 tons) at 6 inches.
- How many tons of gravel for 10×40?
- About 6.9 tons at 4 inches, assuming 1.4 tons per cubic yard. Crushed stone with fines can weigh up to 1.5 tons a yard.
- How many bags of gravel for 10×40?
- About 277 bags of 50 lb at 4 inches deep. Above a ton or so, bulk delivery is much cheaper.
- How much does gravel for 10×40 cost?
- About $346 at $50 a ton for a 4 inch layer, before delivery. Prices range from about $15 to $75 a ton depending on stone type.