Topsoil Calculator › 16×20 area
Topsoil for a 16×20 Area at 4 inches
A 16×20 area (320 sq ft) at 4 inches needs about 3.95 cubic yards of topsoil — roughly $126. See the full breakdown.
You need
3.95 cu yd
Estimated material cost $126
Area
320 sq ft
Volume
106.67 cu ft
40-lb bags
143
Weight
4.35 tons
Advertisement
Adjust for your project
You need
3.95 cu yd
Estimated material cost $126
Area
320 sq ft
Volume
106.67 cu ft
40-lb bags
143
Weight
4.35 tons
Material shopping list
- Order about 3.95 cubic yards of topsoil.
- Budget about $126 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.