Before you buy
Practical measuring tips
- Use finished bed dimensions, not the space around it.
- Two to four inches is common, but match depth to the material and plants.
- Measure separate rectangles and run the calculator for each, then add the totals.
Soil & ground cover
Mulch Calculator — Yards & Bags
Estimate cubic yards and common bag counts for a mulch bed. Your entries stay in your browser and are not sent anywhere.
Planning estimate
Your results
Formula
What the result includes
Area × depth gives volume; volume is converted to cubic yards and 2- or 3-cubic-foot bags.
Whole-item results such as bags, rolls, blocks, and pallets are rounded up. Decimal volume or weight results remain estimates so you can compare bulk options.
Optional supplies
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Use your estimate to compare package coverage, delivery terms, and product instructions. This retailer search is not an affiliate link until a partner ID is configured.
Common questions
Mulch Calculator FAQ
How many cubic feet are in a cubic yard?
There are 27 cubic feet in one cubic yard.
Should I include extra mulch?
A small allowance can help with uneven depth, settlement, and measurement error. The default is 10%, and you can change it.