NPK Fertilizer Calculator

Determine the exact amount of dry fertilizer required for your garden area. Optimize nutrient delivery with precise botanical calculations.

Garden Area

sq ft

N-P-K Strength (N%)

Botany Verified Intelligence

Our calculators are built using standardized horticultural formulas. While they provide high-accuracy estimates, factors like humidity and pot material (terracotta vs plastic) can influence results.

Tool Guide & Manual

Botany Verified Intelligence