Topsoil Calculator
Topsoil for lawns and garden beds in cubic metres/yards and tonnes.
Runs in your browser — nothing is uploaded—
Details
Material estimates only — add waste, confirm quantities with your supplier and follow local building codes. Not an engineering guarantee.
How to use Topsoil Calculator
- Enter your values — the unit for each field is shown next to it.
- The result updates instantly as you type.
- Copy the results, or change inputs to compare scenarios.
Formula & assumptions
Volume = length × width × depth, plus the waste allowance.
- Weight = volume × density. Topsoil density varies with moisture and grading — use your supplier’s figure when you have it.