Bags of mulch calculator
Calculate this loadA cubic yard is 13.5 bags of 2 cu ft mulch or 9 bags of 3 cu ft. We show both so you can price the switch to bulk.
Project calculator
Area 1
Cubic yards
0.93 yd³
Tons
0.37 t
2 cu ft bags
13
Estimated cost
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Mulch planning density 0.4 t/yd³ (Penn State & UGA Extension hardwood/bark mulch 500–1,000 lb/yd³). Order 1 yd³ with 5% waste. 3 cu ft bags: 9.
Bag math is the reason bulk yards exist. Once a project crosses a single yard, the plastic and the lifting stop making sense. This page still shows bags because small townhouse beds and apartment patios are real, and because a bulk quote is easier to swallow when you can see the 14-bag alternative.
Not every bag is 2 cubic feet. Read the panel. Some ‘scents’ and cocoa shells are 1.5. Rubber mulch is sold by stone weight, not volume. The calculator assumes the two sizes US home centers actually stack: 2 and 3 cubic feet.
Round up. A half-empty last bag is cheaper than a second trip. If the store only sells 2 cu ft pallets of 60, you now know whether one pallet is a yard and then some (60 ÷ 13.5 ≈ 4.4 yards) or a waste of space.
When the bag count is embarrassing, open the yards-of-mulch page and send a delivery lead. That is the conversion this site is built to make.
Formula
2 cu ft bags = yd³ × 13.5. 3 cu ft bags = yd³ × 9. Round up.
Worked example
0.89 yd³ (a 12 × 8 ft bed at 3 inches) is 12 bags of 2 cu ft or 8 bags of 3 cu ft.
Mulch on the ground
Typical cover is 3 inches. Range 0.25–0.55 t/yd³. Dyed hardwood sits near 800 lb. Fresh bark and rubber mulch differ — confirm.
Density table
| Material | t / yd³ | lb / yd³ | Source |
|---|---|---|---|
| Mulch | 0.4 | 800 | Penn State & UGA Extension hardwood/bark mulch 500–1,000 lb/yd³ |
Related calculators
Mulch calculator
Most beds want 2–3 inches of hardwood or bark mulch. Measure in feet, keep depth in inches, and we will give yards and bags.
How much mulch do I need?
Measure each bed, use 2–3 inches of depth, and convert to cubic yards or bags. That is the whole decision.
Yards of mulch calculator
One cubic yard of mulch covers 162 ft² at 2 inches or 108 ft² at 3 inches. Add your beds to see the total.