A cubic yard is a standard bulk measurement equal to 27 cubic feet. Since mulch bags are sold in cubic feet, the conversion depends on the bag size:
- 2 cubic foot bag → 13.5 bags per yard
- 3 cubic foot bag → 9 bags per yard
Conversion Table: Bags of Mulch in a Yard
| Bag Size | Bags per Yard | Coverage at 2″ Depth | Coverage at 3″ Depth |
| 2 cu ft | 13.5 | ~162 sq ft | ~108 sq ft |
| 3 cu ft | 9 | ~243 sq ft | ~162 sq ft |
Quick Tip: Most garden centers stock 2 cu ft bags, but if you can find 3 cu ft bags, they’re usually better value.
How Many Bags of Mulch Do You Need?
Knowing the “bags per yard” conversion is just the first step. The real question is: How many bags of mulch will your project require?
That depends on:
- The size of your space (square footage).
- The depth of mulch you want (2″ for decoration, 3–4″ for weed control).
Use the calculator below to figure it out.
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