Gravel for a 15×20 area
3.7 cubic yards (5.2 tons)
of gravel for 300 sq ft at 4 inches deep. Add about 5% for compaction and spillage.
A 15×20 foot area is 300 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 15×20 by depth
| Depth | Cubic yards | Tons | 50 lb bags |
|---|---|---|---|
| 2 in | 1.85 | 2.6 | 104 |
| 3 in | 2.78 | 3.9 | 156 |
| 4 in | 3.7 | 5.2 | 208 |
| 6 in | 5.56 | 7.8 | 312 |
| 8 in | 7.41 | 10.4 | 415 |
| 12 in | 11.11 | 15.6 | 623 |
How it’s worked out
- 20 × 15 × 4 in ÷ 12 = 100 cu ft.
- 100 ÷ 27 = 3.704 cu yd.
- 3.704 × 1.4 tons per yard = 5.19 tons.
Change the numbers
Other area sizes
- 16×20 area
- 12×20 area
- 15×16 area
- 15×24 area
- 15×15 area
- 15×25 area
- 10×20 area
- 20×20 area
- 12×15 area
- 8×20 area
- 10×15 area
- 15×30 area
Questions
- How much gravel do I need for a 15×20 area?
- 3.7 cubic yards (about 5.2 tons) at 4 inches deep, and 5.56 cubic yards (7.8 tons) at 6 inches.
- How many tons of gravel for 15×20?
- About 5.2 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 15×20?
- About 208 bags of 50 lb at 4 inches deep. Above a ton or so, bulk delivery is much cheaper.
- How much does gravel for 15×20 cost?
- About $259 at $50 a ton for a 4 inch layer, before delivery. Prices range from about $15 to $75 a ton depending on stone type.