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Mulch Calculator
Enter your garden bed size and how deep you want the mulch, and this calculator shows the cubic yards and the number of bags to buy.
Most beds look best and suppress weeds at 2–3 inches deep.
Enter your measurements
Area shape
Length (ft)
Width (ft)
Depth / thickness (in)
How many areas like this?
Extra for waste / spillage (%)
Bag size
Mulch you need
0.93cubic yards
25.0 ft³ · 100 ft² at 3.0" deep
💡 A cubic yard of mulch covers about 100 sq ft at 3 inches deep.
14
2 ft³ bags
incl. waste
$56
Est. material cost
@ ~$4/bag
- Cubic feet needed
- 25.0 ft³
- Cubic yards needed
- 0.93 yd³
- Order with 5% waste
- 0.97 yd³
- 2 ft³ bags to buy
- 14
- 3 ft³ bags to buy
- 9
Frequently asked questions
How much does a bag of mulch cover?
A standard 2 cubic foot bag covers about 8 square feet at 3 inches deep, or 12 square feet at 2 inches deep.
How many bags of mulch in a yard?
A cubic yard is 27 cubic feet, so it takes about 13–14 of the 2 cubic foot bags to equal one bulk yard.