How much fertilizer for lawn?

Follow soil test or 1 lb N per 1000 sq ft per application for many grasses.

Cool-season: spring/fall; warm-season: late spring/summer. Avoid extremes.

Lawn Fertilizer Calculator (N-based)

Calculate the amount of N-based fertilizer needed for your lawn to achieve optimal growth.

Lawn Area (square feet)

Desired Nitrogen (lbs per 1000 sq ft)

Common Fertilizers (N-P-K)

Or Enter Custom N-Percentage (%)

The full supporting guide for this calculator is still being expanded. The tool remains accessible while we improve the educational content.

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