TrowelMath

Mulch for 150 square feet

  • ENERGY STAR sizing · manufacturer bag yields
  • Updated Oct 23, 2026
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150 sq ft: mulch by depth

DepthCu ftCu yd2 cu ft bags
1″12.50.467
2″25.00.9313
3″37.51.3919
4″50.01.8525

Worked example

150 sq ft × 3 in ÷ 12 = 37.5 cu ft = 1.39 cubic yards. In 2 cu ft bags that is 19 bags; in 3 cu ft bags, 13. Bags are convenient at this volume.

Frequently asked questions

How many bags of mulch for 150 sq ft?

19 bags of 2 cu ft at 3 inches deep.