Mulch for a 3×20 area
0.56 cubic yards (8 bags)
of mulch for 60 sq ft at 3 inches deep: 15 cu ft, or 8 bags of 2 cu ft.
A 3×20 foot area is 60 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 3×20 by depth
| Depth | Cubic yards | Cubic feet | 2 cu ft bags | 3 cu ft bags |
|---|---|---|---|---|
| 1 in | 0.19 | 5 | 3 | 2 |
| 2 in | 0.37 | 10 | 5 | 4 |
| 3 in | 0.56 | 15 | 8 | 5 |
| 4 in | 0.74 | 20 | 10 | 7 |
| 6 in | 1.11 | 30 | 15 | 10 |
How it’s worked out
- 20 × 3 = 60 sq ft.
- 60 × 3 in ÷ 12 = 15 cu ft.
- 15 ÷ 27 = 0.556 cu yd, or 15 ÷ 2 = 8 bags of 2 cu ft (rounded up).
Change the numbers
Other bed sizes
- 3×15 area
- 3×25 area
- 2×20 area
- 4×20 area
- 3×12 area
- 3×10 area
- 3×30 area
- 3×8 area
- 5×20 area
- 3×6 area
- 3×5 area
- 3×4 area
Questions
- How much mulch do I need for a 3×20 area?
- 0.56 cubic yards at 3 inches deep, or 8 bags of 2 cu ft. At 2 inches it is 0.37 yards (5 bags).
- How many bags of mulch for 3×20?
- 8 bags of 2 cu ft or 5 bags of 3 cu ft at 3 inches deep.
- Is bulk or bagged mulch cheaper for 3×20?
- Bagged: about $32 for 8 bags. Bulk: about $40 for 0.56 yards, plus delivery. Bulk usually wins above 2 or 3 yards.