NPKS Converter is a nutrient to fertilizer converter. Farmers , dealers, related agricultural employee can use it easily . Here NPKS is symbolic letter where N=NITROZEN,P=PHOSPHORUS,K=KALIUM/POTASHIUM,S=SULPHER .These are nutrient forms .The app can convert them into fertilizer .So the user can easily find out the fertilizer quantity easily.5 screens are in app .button ,edit text ,text view are used .No ads are introduced in this version .The app can use easily .very simple and size small .