Spur Gear Calculator app for iPhone and iPad

4.8 ( 9808 ratings )

Business Utilities
Developer: SpiralArm Consulting Limited

Free

Current version: 4.0.0, last update: 7 years ago
First release : 03 Mar 2014
App size: 11.1 Mb

This is a specialised set calculators that uses the gear systems (Diametral Pitch or Module) and the number of teeth to calculate the Outside Diameter, Centre Distance and Ratio of Spur gears and pinions.

Please note that these calculators should ONLY be used for spur gears and pinons, NOT for Helical gears.