Mulch Calculator
Enter bed area and desired mulch depth to get cubic yards for bulk delivery, number of bagged mulch bags (2 or 3 cu ft), and a cost estimate. Recommended depth is 2–4 inches.
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Top PickVigoro Brown Mulch 2 cu ft — Home Depot~$4.98/bag* Affiliate links — we may earn a commission at no cost to you.
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How to Use This Calculator
- 1Enter your measurements in the fields above. Use the units shown next to each field (ft, in, etc.).
- 2Click Calculate to get your material estimate instantly.
- 3Review the highlighted result — it shows the key quantity you need to order.
- 4Use Copy Results to save your estimate, or bookmark the URL — your inputs are encoded in the link.
Pro tip: Always add 10% to your material order to account for waste, cuts, and defects.
Frequently Asked Questions
How much mulch do I need for a 100 sq ft bed?
At 3 inches deep, a 100 sq ft bed needs 25 cubic feet, or about 1 cubic yard of bulk mulch. That's 13 bags of 2 cu ft mulch or 9 bags of 3 cu ft mulch.