Mulch Calculator
Calculate how many cubic yards or bags of mulch you need to cover a bed at your chosen depth.
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ft
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Result
- Bed area
- Cubic yards
- 2 cu ft bags
- 3 cu ft bags
Results are rounded for ordering. Check product labels for exact coverage.
How to use this
Two to three inches is the usual depth for beds; keep mulch a few inches away from stems and trunks.
Bulk mulch is usually cheaper than bags above one cubic yard, and many yards deliver.
Ready to price the job? Try the Paver Patio cost calculator for installed prices with materials and labor.
Common questions
How much does a yard of mulch cover?
About 108 square feet at 3 inches deep, or 162 square feet at 2 inches.
How many bags of mulch are in a cubic yard?
About 13.5 bags of 2 cubic feet, or 9 bags of 3 cubic feet.
How deep should mulch be?
Two to three inches for most beds. Deeper layers can hold too much moisture against plants.