NPKalc is an easy to use fertilizer calculator that supports granular and liquid fertilizers with different unit of measures for input. Perfect for the DIY lawn dominator, gardener, landscape professional, golf course superintendents and farmers.

Disclaimer: While we strive to provide accurate information, we do not accept responsibility for any misuse of the NPKalc app. Users are encouraged to use the app responsibly, cross check calculations and consult with experts for specific advice on fertilizer usage.