The perfect tool to calculate the difference in size between your current tire and your replacement tire. It will show measurements for the diameter, section width, sidewall height, revolutions per mile or kilometer and also speedometer reading.

Plus sizing allows you to enter your original tire size and your new rim width to see suggested sizes close to the original diameter.


This app offers several unique features:

• Compare multiple tire sizes simultaneously
• Fast tire size input
• Supports many size formats
• Plus sizing