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Mulch for 120 sq ft
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1.11 yd³
Mulch for 120 ft² at 3 in deep · 15 × 2 ft³ bag
Mulch for 120 ft² by depth
| Depth | yd³ | ft³ | Bags | Bulk / bagged cost |
|---|---|---|---|---|
| 2 in | 0.74 | 20.0 | 10 | $30 / $45 |
| 3 in | 1.11 | 30.0 | 15 | $44 / $68 |
| 4 in | 1.48 | 40.0 | 20 | $59 / $90 |
2–3 in is the usual depth for beds; 4 in for paths and weed suppression. Keep mulch a few inches away from tree trunks.
How it is calculated
Volume = area × depth: 120 ft² × (3 ÷ 12) ft = 30.0 ft³; ÷ 27 = 1.11 yd³. 120 ft² is, for example, a 11.0 × 11.0 ft square or a 12 × 10 ft strip.
FAQ
How much mulch do I need for 120 square feet?
At 3 in deep, 120 ft² needs 1.11 cubic yards (30.0 ft³) – about 15 × 2 ft³ bag.
Is it cheaper to buy mulch in bulk or bags for 120 sq ft?
At typical prices ($40/yd³ bulk vs $4.50 per bag) bulk costs about $44 versus $68 in bags, before delivery. Bulk delivery usually wins above about 1 cubic yard.
Other areas: 50 ft² · 75 ft² · 100 ft² · 150 ft² · 200 ft² · 250 ft² · all areas · mulch calculator
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