This application helps you to calculate differences between vehicle tire sizes.

You can easily calculate :
- Wheel diameter
- Wheel circumference
- Wheel sidewall
- Wheel revolutions per mile
- Wheel revolutions per km
- Wheel revolutions per second (60 mph & 100 km/h)
- Actual vehicle speed when speedometer reads 60 mph & 100 km/h
- Ground's clearance change of the vehicle
- Percentage diameter difference