How much mulch do you need for 50 square feet?

Covering 50 square feet (for example a 5×10 ft bed) with mulch 3 inches deep takes 0.46 cubic yards — that's 7 bags of 2 cu ft or 5 bags of 3 cu ft. At 2 inches you need 0.31 yards.

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 needed0.46 cu yd

2 cu ft bags7

3 cu ft bags5

Cubic feet12.5 cu ft

One cubic yard covers108 sq ft at this depth

How much mulch do you need for 50 square feet — diagram

Mulch for 50 sq ft at every depth

Depth	Cubic yards	2 cu ft bags	3 cu ft bags
1 in	0.15	3	2
2 in	0.31	5	3
3 in	0.46	7	5
4 in	0.62	9	6

Bags or bulk?

At 0.46 cubic yards, bags are the convenient choice — about 7 bags of 2 cu ft fit in most car trunks over one or two trips.

The math

50 sq ft × 3 in ÷ 12 = 12.5 cu ft 12.5 ÷ 27 = 0.46 cu yd 12.5 ÷ 2 cu ft = 7 bags (rounded up)

Common questions

How many bags of mulch for 50 square feet?

7 bags of 2 cu ft at 3 inches deep, or 5 bags at 2 inches.

How many yards of mulch for 50 square feet?

0.46 cubic yards at 3 inches, 0.31 at 2 inches.

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.

Similar sizes

100 sq ft 150 sq ft 200 sq ft 250 sq ft

Related calculators

Raised Bed Soil CalculatorCubic feet, yards and bags of soil to fill one or more raised beds.Gravel CalculatorTons and cubic yards of gravel, crushed stone or sand for driveways and paths.Sod CalculatorRolls and pallets of sod for a new lawn.