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Topsoil for 800 sq ft
Topsoil for 800 ft² at 4 in deep · 356 × 0.75 ft³ bag
Topsoil for 800 ft² by depth
| Depth | yd³ | ft³ | Bags | Tons | Bulk / bagged cost |
|---|---|---|---|---|---|
| 2 in | 4.94 | 133.3 | 178 | 5.43 | $173 / $623 |
| 4 in | 9.88 | 266.7 | 356 | 10.86 | $346 / $1,246 |
| 6 in | 14.81 | 400.0 | 534 | 16.30 | $519 / $1,869 |
| 8 in | 19.75 | 533.3 | 712 | 21.73 | $691 / $2,492 |
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: 800 ft² × (4 ÷ 12) ft = 266.7 ft³; ÷ 27 = 9.88 yd³. 800 ft² is, for example, a 28.3 × 28.3 ft square or a 80 × 10 ft strip.
FAQ
How much topsoil do I need for 800 square feet?
At 4 in deep, 800 ft² needs 9.88 cubic yards (266.7 ft³) – about 356 × 0.75 ft³ bag. That weighs roughly 10.9 tons.
Is it cheaper to buy topsoil in bulk or bags for 800 sq ft?
At typical prices ($35/yd³ bulk vs $3.50 per bag) bulk costs about $346 versus $1,246 in bags, before delivery. Bulk delivery usually wins above about 1 cubic yard.
Other areas: 500 ft² · 600 ft² · 750 ft² · 1,000 ft² · 1,200 ft² · 1,500 ft² · all areas · topsoil calculator
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