NPK Fertilizer Calculator — Nitrogen, Phosphorus, Potassium
Enter your fertilizer NPK ratio and lawn/garden area to calculate the exact pounds of each nutrient and fertilizer to apply.
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How to Use This Fertilizer NPK Calculator
- Enter NPK valuesInput the three numbers on the bag.
- Enter garden areaInput square footage.
- Enter nitrogen targetInput desired N lbs per 1000 sq ft.
- View application rateSee pounds of fertilizer to apply.
Common Use Cases
- Lawn
- Garden
- Agriculture
- Plants
Frequently Asked Questions
This tool is for informational purposes only. Read our disclaimer.
Need help with this tool? help@bodhins.com
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