Mulch for a 15×25 area

3.47 cubic yards (47 bags)

of mulch for 375 sq ft at 3 inches deep: 93.8 cu ft, or 47 bags of 2 cu ft.

A 15×25 foot area is 375 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 15×25 by depth

DepthCubic yardsCubic feet2 cu ft bags3 cu ft bags
1 in1.1631.31611
2 in2.3162.53221
3 in3.4793.84732
4 in4.631256342
6 in6.94187.59463

How it’s worked out

  1. 25 × 15 = 375 sq ft.
  2. 375 × 3 in ÷ 12 = 93.75 cu ft.
  3. 93.75 ÷ 27 = 3.472 cu yd, or 93.75 ÷ 2 = 47 bags of 2 cu ft (rounded up).

Change the numbers

Mulch needed

3.47 cubic yards

47 bags of 2 cu ft, or 32 bags of 3 cu ft.

Area375 sq ft
Cubic yards3.47 (about $139 bulk)
Cubic feet93.8
2 cu ft bags47 (about $188)
3 cu ft bags32

Other bed sizes

Questions

How much mulch do I need for a 15×25 area?
3.47 cubic yards at 3 inches deep, or 47 bags of 2 cu ft. At 2 inches it is 2.31 yards (32 bags).
How many bags of mulch for 15×25?
47 bags of 2 cu ft or 32 bags of 3 cu ft at 3 inches deep.
Is bulk or bagged mulch cheaper for 15×25?
Bagged: about $188 for 47 bags. Bulk: about $139 for 3.47 yards, plus delivery. Bulk usually wins above 2 or 3 yards.

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