Lawn Fertilizer Calculator

Range: at least 0 sq ft

Measure the area that will receive this product; use separate calculations for products with different analyses.

Range: at least 0.01 lb per 1,000 sq ft

Enter the nitrogen target from the applicable recommendation or plan. This calculator does not prescribe a lawn rate.

Range: 0.01–100 %

Enter the first number on the fertilizer analysis as a percent by weight, such as 25 for a 25-0-0 product.

Range: at least 0.01 lb

Use the net product weight printed on the package; this is used only to round the purchase quantity.