Lawn Fertilizer Calculator
Find how much fertilizer you need.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator works out how much fertilizer a lawn needs, converting your lawn's area and the product's nitrogen percentage into the actual pounds (or kilograms) of fertilizer to spread, based on a target application rate per 1,000 square feet.
Homeowners use it before every feeding to avoid over-application, which can burn grass and run off into waterways, or under-application, which wastes the trip and leaves the lawn under-fed. Lawn care companies use the same math when bagging product for a specific yard size.
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