All Free Online Tools

25+ crops, 20+ fertilizers, Indian area units, split application schedule, cost optimizer. The most complete free fertilizer calculator.

Calculate fertilizer quantities from Nitrogen, Phosphorus, and Potassium requirements. Get Urea, DAP, MOP doses for any area.

Calculate Urea fertilizer dose per hectare, acre, or bigha based on nitrogen requirement. For rice, wheat, maize and 20+ crops.

Calculate DAP (Di-ammonium Phosphate 18-46-0) dose per hectare, acre, or bigha. Includes N contribution from DAP.

ICAR-recommended NPK doses for 25+ crops with split application schedule and cost estimate. Rice, wheat, maize, sugarcane, potato and more.

Calculate Urea, DAP, MOP quantities per acre with bag count and cost. Enter N, P, K requirement and acres.

Calculate total fertilizer (Urea, DAP, MOP, SSP) for any number of hectares based on crop NPK requirements.

Mix any combination of fertilizers and see total N, P, K supplied, cost per hectare, and nutrient balance instantly.

Compare cost of DAP, SSP, NPK complex and other fertilizer routes side by side. Enter local prices to find the cheapest combination.

Calculate how much granular fertilizer your lawn needs in lbs, bags, and cost. Covers 30-0-10, 16-4-8, Milorganite, Urea and more. US sq ft and acre units.

Calculate liquid fertilizer oz per gallon, tank mixing ratios, and hose-end sprayer settings. Covers 20-20-20, Miracle-Gro, fish emulsion, kelp and more.

Calculate granular fertilizer quantity in lbs and kg, bags needed, and total cost. Supports 10-10-10, Urea, DAP, MOP, SSP and more. US and metric units.