How much area does 4 cubic yards of mulch cover?

4 cubic yards of mulch (108 cu ft) covers 432 sq ft at 3 inches deep or 648 sq ft at 2 inches. That's the same as 54 bags of 2 cu ft or 36 bags of 3 cu ft.

Change the numbers

The calculator below is pre-filled for this project. Adjust any value — including feet and inches — and the results update instantly.

Several beds? Add up their square footage and use “Total area”.

Your results

Mulch needed4 cu yd

2 cu ft bags54

3 cu ft bags36

Cubic feet108 cu ft

One cubic yard covers108 sq ft at this depth

How much area does 4 cubic yards of mulch cover — diagram

Coverage of 4 cubic yards by depth

Depth	Area covered
1 in	1,296 sq ft
2 in	648 sq ft
3 in	432 sq ft
4 in	324 sq ft

Fitting it in a truck

A cubic yard of mulch weighs roughly 400–800 lb depending on moisture and type. A full-size pickup bed holds about 1.5–2 yards of mulch, so delivery is usually easier at this amount.

The math

4 yd × 27 = 108 cu ft 108 cu ft × 12 ÷ 3 in = 432 sq ft

Common questions

How many square feet does 4 cubic yards of mulch cover?

432 sq ft at 3 inches deep, 648 sq ft at 2 inches.

How many bags of mulch equal 4 cubic yards?

54 bags of 2 cu ft, or 36 bags of 3 cu ft.

Want the full method, tips and other sizes? See the mulch calculator guide.

Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.

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