Mulch calculator
Short answer
Mulch weighs about 0.4 tons per cubic yard. Covering 100 sq ft at 3 inches deep takes about 0.93 cubic yards (0.37 tons).
Weight per yard
0.4 tons
Best for
Wood / bark mulch
Mulch coverage per cubic yard
| Depth | 1 yd³ covers |
|---|---|
| 2" | 162 sq ft |
| 3" | 108 sq ft |
| 4" | 81 sq ft |
| 6" | 54 sq ft |
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Frequently asked questions
How much does a yard of mulch weigh?
About 0.4 tons per cubic yard (800 lbs), give or take with moisture.
How much area does a yard of mulch cover?
One cubic yard covers about 108 sq ft at 3 inches deep, or half that at 6 inches. Enter your area and depth in the calculator for an exact figure.
How many yards of mulch do I need?
Multiply the area (sq ft) by the depth in feet, then divide by 27. The calculator does this and also gives the weight in tons, which is how bulk mulch is sold.