Fertilizer Calculator
Estimate fertilizer product from lawn area and application rate.
Estimate
How to use this calculator
Enter your measurements, product coverage and pricing where requested. Results update instantly as values change.
Formula
Product pounds = required nutrient pounds ÷ nutrient percentage as a decimal.
Planning tip
Follow the label, local restrictions and seasonal recommendations; more fertilizer is not better.
Frequently asked question
Should I round up?
Yes. Round purchase quantities up to whole packages, rolls, pieces or containers and verify coverage with the product manufacturer.