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Topsoil for 120 sq ft
Topsoil for 120 ft² at 4 in deep · 54 × 0.75 ft³ bag
Topsoil for 120 ft² by depth
| Depth | yd³ | ft³ | Bags | Tons | Bulk / bagged cost |
|---|---|---|---|---|---|
| 2 in | 0.74 | 20.0 | 27 | 0.81 | $26 / $94 |
| 4 in | 1.48 | 40.0 | 54 | 1.63 | $52 / $189 |
| 6 in | 2.22 | 60.0 | 80 | 2.44 | $78 / $280 |
| 8 in | 2.96 | 80.0 | 107 | 3.26 | $104 / $374 |
Use 2 in to top-dress a lawn, 4–6 in for new lawns and 6–12 in for raised or new garden beds. Loose topsoil settles about 10–20%.
How it is calculated
Volume = area × depth: 120 ft² × (4 ÷ 12) ft = 40.0 ft³; ÷ 27 = 1.48 yd³. 120 ft² is, for example, a 11.0 × 11.0 ft square or a 12 × 10 ft strip.
FAQ
How much topsoil do I need for 120 square feet?
At 4 in deep, 120 ft² needs 1.48 cubic yards (40.0 ft³) – about 54 × 0.75 ft³ bag. That weighs roughly 1.6 tons.
Is it cheaper to buy topsoil in bulk or bags for 120 sq ft?
At typical prices ($35/yd³ bulk vs $3.50 per bag) bulk costs about $52 versus $189 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 · topsoil calculator
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