Mulch for a 20×30 area
5.56 cubic yards (75 bags)
of mulch for 600 sq ft at 3 inches deep: 150 cu ft, or 75 bags of 2 cu ft.
A 20×30 foot area is 600 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 20×30 by depth
| Depth | Cubic yards | Cubic feet | 2 cu ft bags | 3 cu ft bags |
|---|---|---|---|---|
| 1 in | 1.85 | 50 | 25 | 17 |
| 2 in | 3.7 | 100 | 50 | 34 |
| 3 in | 5.56 | 150 | 75 | 50 |
| 4 in | 7.41 | 200 | 100 | 67 |
| 6 in | 11.11 | 300 | 150 | 100 |
How it’s worked out
- 30 × 20 = 600 sq ft.
- 600 × 3 in ÷ 12 = 150 cu ft.
- 150 ÷ 27 = 5.556 cu yd, or 150 ÷ 2 = 75 bags of 2 cu ft (rounded up).
Change the numbers
Other bed sizes
- 20×25 area
- 15×30 area
- 25×30 area
- 20×20 area
- 20×40 area
- 12×30 area
- 10×30 area
- 15×20 area
- 30×30 area
- 8×30 area
- 12×20 area
- 10×20 area
Questions
- How much mulch do I need for a 20×30 area?
- 5.56 cubic yards at 3 inches deep, or 75 bags of 2 cu ft. At 2 inches it is 3.7 yards (50 bags).
- How many bags of mulch for 20×30?
- 75 bags of 2 cu ft or 50 bags of 3 cu ft at 3 inches deep.
- Is bulk or bagged mulch cheaper for 20×30?
- Bagged: about $300 for 75 bags. Bulk: about $222 for 5.56 yards, plus delivery. Bulk usually wins above 2 or 3 yards.