Example: Area: 800 sq ft · Depth: 4 in → Topsoil needed: 9.88 cu yd.
Weight (~2,000 lb/yd): 9.9 tons
40 lb bags: 534
Frequently asked questions
How do I calculate topsoil? Enter your numbers above and the result updates instantly. For example: Area: 800 sq ft · Depth: 4 in → Topsoil needed: 9.88 cu yd.
Is this Topsoil Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for topsoil. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.