Mulch Calculator

Enter your bed dimensions and depth to get mulch volume in cubic yards and the number of standard 2 cu ft bags to buy.

Circle uses length as the diameter; width is ignored.

5% simple, 10% normal, 15% irregular, 20% complex.

Leave at 0 to skip the cost estimate.

Results

Volume needed
1.85 cu yd
With 10% waste
2.04 cu yd
Cubic feet
50 cu ft
Cubic meters
1.42 m³
2 cu ft bags
28 bags

Estimates only. Round up and buy a little extra to account for waste, spills, and breakage.

Formula

Volume (cu ft) = area × depth ÷ 12. Cubic yards = cu ft ÷ 27. Waste-adjusted = volume × (1 + waste%).

Frequently asked questions

How deep should mulch be?
Use 2–3 inches for established beds and up to 4 inches for weed suppression around trees.
How many bags are in a cubic yard?
There are 13.5 bags of 2 cu ft mulch in one cubic yard.

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