Mulch for a 30×40 area
11.11 cubic yards (150 bags)
of mulch for 1200 sq ft at 3 inches deep: 300 cu ft, or 150 bags of 2 cu ft.
A 30×40 foot area is 1200 square feet. Most garden beds need 2 to 3 inches of mulch; a fresh bed or a weedy one benefits from 3 to 4 inches.
Mulch for 30×40 by depth
| Depth | Cubic yards | Cubic feet | 2 cu ft bags | 3 cu ft bags |
|---|---|---|---|---|
| 1 in | 3.7 | 100 | 50 | 34 |
| 2 in | 7.41 | 200 | 100 | 67 |
| 3 in | 11.11 | 300 | 150 | 100 |
| 4 in | 14.81 | 400 | 200 | 134 |
| 6 in | 22.22 | 600 | 300 | 200 |
How it’s worked out
- 40 × 30 = 1200 sq ft.
- 1200 × 3 in ÷ 12 = 300 cu ft.
- 300 ÷ 27 = 11.111 cu yd, or 300 ÷ 2 = 150 bags of 2 cu ft (rounded up).
Change the numbers
Other bed sizes
- 25×40 area
- 30×30 area
- 30×50 area
- 20×40 area
- 40×40 area
- 25×30 area
- 15×40 area
- 20×30 area
- 12×40 area
- 15×30 area
- 10×40 area
- 40×50 area
Questions
- How much mulch do I need for a 30×40 area?
- 11.11 cubic yards at 3 inches deep, or 150 bags of 2 cu ft. At 2 inches it is 7.41 yards (100 bags).
- How many bags of mulch for 30×40?
- 150 bags of 2 cu ft or 100 bags of 3 cu ft at 3 inches deep.
- Is bulk or bagged mulch cheaper for 30×40?
- Bagged: about $600 for 150 bags. Bulk: about $444 for 11.11 yards, plus delivery. Bulk usually wins above 2 or 3 yards.