This automotive tire calculator will help you determine if your new tire size will be compatible with your factory or previous tire size.
This application will show you before and after results for the following:
* Sidewall Height,
* Wheel&Tire Radius,
* Wheel&Tire Diameter,
* Tire Circumference,
* Rotations per mile or kilometer,
* Difference in Speedometer Readings,
* And approximate Speedometer Results
[This application is compatible with and can display both standard and metric results.]
[10/28/2008] NOW COMPATIBLE WITH IPOD TOUCH!!