How the calculation works
Multiply length × width × depth, with depth converted to feet. Divide cubic feet by 27 for cubic yards.
Simple example
A 10 × 12 ft bed at 3 in deep needs 30 cubic ft or 1.11 cubic yd.
Landscaping
Mulch calculator
Estimate mulch by area and depth.
Your estimate
Enter your measurements and select Calculate to see your estimate.
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Common question
Does this account for plants?
No. Existing plants and bed edges change the amount, so treat it as a planning estimate.
Results are estimates. Check product coverage, site conditions and professional or code requirements before buying or building.