Mulch Calculator
Enter area (sq ft) and depth (in) to estimate mulch volume and bag count (based on 2 cu ft bags).
Input Data
Results
50
1.85
25
At a glance:Volume (cu ft) = area × (depth ÷ 12). Cubic yards = cu ft ÷ 27. Bags = ceil(cu ft ÷ 2).
Formula
cf = area × (depth ÷ 12).
cy = cf ÷ 27.
bags = ceil(cf ÷ 2).
How to Use
- Enter area (sq ft) and depth (in).
- Get volume and suggested bag count instantly.
FAQ
How deep should mulch be?
2–3 in is common for weed control and moisture retention; too deep can hurt stem ventilation.
How are bags estimated?
Based on a standard 2 cu ft bag, rounded up; adjust for your brand's actual size.
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References
Content reviewed by the Calculatorism editorial team. Results are for reference only; please refer to the relevant authorities for the official figures.