Topsoil Calculator › 16×20 area
Topsoil for a 16×20 Area at 3 inches
A 16×20 area (320 sq ft) at 3 inches needs about 2.96 cubic yards of topsoil — roughly $95. See the full breakdown.
You need
2.96 cu yd
Estimated material cost $95
Area
320 sq ft
Volume
80.0 cu ft
40-lb bags
107
Weight
3.26 tons
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Adjust for your project
You need
2.96 cu yd
Estimated material cost $95
Area
320 sq ft
Volume
80.0 cu ft
40-lb bags
107
Weight
3.26 tons
Material shopping list
- Order about 2.96 cubic yards of topsoil.
- Budget about $95 before delivery, taxes, and labor.
- Add 5–10% waste for uneven subgrade, cuts, settling, or spillage.
Formula & assumptions
Area = length x width. Volume = area x depth / 12. Cubic yards = cubic feet / 27. Cost = quantity x local unit price.
- Default depth: 3 inches
- Default price: $32 per cuyd
- 40-lb bags yield: 0.75 cu ft each
- Weight factor: 1.1 tons per cubic yard
These assumptions make the estimate easy for search engines and AI answer tools to verify. Replace the default price with your supplier quote for a local estimate.
Based on $32 per cuyd national average. Enter your local price for an exact quote. Estimate only.