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Topsoil for 150 sq ft
Topsoil for 150 ft² at 4 in deep · 67 × 0.75 ft³ bag
Topsoil for 150 ft² by depth
| Depth | yd³ | ft³ | Bags | Tons | Bulk / bagged cost |
|---|---|---|---|---|---|
| 2 in | 0.93 | 25.0 | 34 | 1.02 | $32 / $119 |
| 4 in | 1.85 | 50.0 | 67 | 2.04 | $65 / $234 |
| 6 in | 2.78 | 75.0 | 100 | 3.06 | $97 / $350 |
| 8 in | 3.70 | 100.0 | 134 | 4.07 | $130 / $469 |
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: 150 ft² × (4 ÷ 12) ft = 50.0 ft³; ÷ 27 = 1.85 yd³. 150 ft² is, for example, a 12.2 × 12.2 ft square or a 15 × 10 ft strip.
FAQ
How much topsoil do I need for 150 square feet?
At 4 in deep, 150 ft² needs 1.85 cubic yards (50.0 ft³) – about 67 × 0.75 ft³ bag. That weighs roughly 2.0 tons.
Is it cheaper to buy topsoil in bulk or bags for 150 sq ft?
At typical prices ($35/yd³ bulk vs $3.50 per bag) bulk costs about $65 versus $234 in bags, before delivery. Bulk delivery usually wins above about 1 cubic yard.
Other areas: 75 ft² · 100 ft² · 120 ft² · 200 ft² · 250 ft² · 300 ft² · all areas · topsoil calculator
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