Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Landscaping
Lawn Seed Calculator
Calculate exactly how many pounds of grass seed are needed to cover your lawn based on its size and the recommended seeding rate. Perfect for new lawn installations and overseeding thin or patchy turf.
Fill in the required fields to see your result.
Landscaping
Topsoil Calculator
Calculate the cubic yards of topsoil needed to fill, top-dress, or grade a rectangular area to a specified depth. Use it for new lawn installation, raised bed filling, and lawn renovation projects before ordering bulk soil.
Fill in the required fields to see your result.
Key differences
| Lawn Seed Calculator | Topsoil Calculator | |
|---|---|---|
| Category | Landscaping | Landscaping |
| Inputs required | 2 | 3 |
| Result | Seed Needed (lbs) | Topsoil Needed (cubic yards) |
| What it does | Calculate exactly how many pounds of grass seed are needed to cover your lawn based on its size and the recommended seeding rate. Perfect for new lawn installations and overseeding thin or patchy turf. | Calculate the cubic yards of topsoil needed to fill, top-dress, or grade a rectangular area to a specified depth. Use it for new lawn installation, raised bed filling, and lawn renovation projects before ordering bulk soil. |