The app "Tolerance Finder" is a fit calculator and addressed to industrial students, engineers, technical operators, quality dept. employees and apprentices (trainees) in all technical sectors. It displays all tolerance values for 0-500 base size about a fit by entering a basic size in a matter of seconds.

This app works in line with ref: IS:919-1963 & IS:2709-1964 standards. According to input param basic size (in mm) & and hole / shaft tolerance grade , clearance / interference is displayed in microns.