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Lawn Fertilizer Calculator

Updated Formulas shown

To apply 1 lb of nitrogen per 1,000 ft² on a 5,000 ft² lawn with 24-0-6 fertilizer, spread about 20.8 lb of product.

Fertilizer to apply
20.8 lb
Actual nitrogen
5 lb N
Bags
2
Per 1,000 ft²
4.17 lb

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Frequently asked questions

What do the three numbers on fertilizer mean?

Percent by weight of nitrogen (N), phosphate (P₂O₅) and potash (K₂O). A 50 lb bag of 24-0-6 contains 12 lb of nitrogen.

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Estimates only. Check quantities with your supplier or contractor before ordering.