Mulch for a 3×3 area

0.08 cubic yards (2 bags)

of mulch for 9 sq ft at 3 inches deep: 2.3 cu ft, or 2 bags of 2 cu ft.

A 3×3 foot area is 9 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 3×3 by depth

DepthCubic yardsCubic feet2 cu ft bags3 cu ft bags
1 in0.030.811
2 in0.061.511
3 in0.082.321
4 in0.11321
6 in0.174.532

How it’s worked out

  1. 3 × 3 = 9 sq ft.
  2. 9 × 3 in ÷ 12 = 2.25 cu ft.
  3. 2.25 ÷ 27 = 0.083 cu yd, or 2.25 ÷ 2 = 2 bags of 2 cu ft (rounded up).

Change the numbers

Mulch needed

0.08 cubic yards

2 bags of 2 cu ft, or 1 bags of 3 cu ft.

Area9 sq ft
Cubic yards0.08 (about $40 bulk)
Cubic feet2.3
2 cu ft bags2 (about $8)
3 cu ft bags1

Other bed sizes

Questions

How much mulch do I need for a 3×3 area?
0.08 cubic yards at 3 inches deep, or 2 bags of 2 cu ft. At 2 inches it is 0.06 yards (1 bags).
How many bags of mulch for 3×3?
2 bags of 2 cu ft or 1 bags of 3 cu ft at 3 inches deep.
Is bulk or bagged mulch cheaper for 3×3?
Bagged: about $8 for 2 bags. Bulk: about $40 for 0.08 yards, plus delivery. Bulk usually wins above 2 or 3 yards.

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