Grass Seed Calculator
Estimate grass seed needed from lawn area and the application rate on your seed label.
Result
Use the rate on the bag
Measure lawn area
This version estimates a rectangular area. Break irregular yards into smaller rectangles and add them.
Use the correct rate
New seeding and overseeding rates can differ, so enter the rate printed for your use case.
Add a little margin
A small extra allowance can cover measuring error and thin spots.
Planning estimate only. Follow the seed manufacturer’s application instructions for your grass type and use case.