Copyright © 1998-2017 Scott Galaba
The Gear Speed and Tire Size Calculator application is available for download on the App Store for iOS iPad, iPhone, iPod and Mac OS X, and on Google Play for Android devices.
RPM to MPH/KPH
Rating - 5 Stars
by faa440 - May 7, 2016
Review Source - Apple iTunes
Very nice app that converts engine rpm to vehicle speed by taking into consideration transmission gear ratio, final drive ratio, and tire size. Results are presented in a table, comprehensive graph and printed document. My Dodge Charger has an 8 speed AT that can be switched into a paddle shifted MT and this app handles all 8 rations. In addition when I change between the Dodge approved 20 inch summer and the 18 inch winter tires, this app calculates any resulting vehicle speed differences. you can also input the new gear ratio if you're one who changes out the rear axle gearing for street vs. track. Author is responsive to suggestions and continually seeks ways to improve the app. Well Done.
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