Tire Size and Gear Calculator Program v1.0


Gear and RPM Data

Tire Data
Final Gear Ratio: Tire Width in (mm):
RPM Limit:
Aspect Ratio:
RPM Max Power:
Rim Diameter (inch):

Tire Diameter:
Gears  Ratio Compound Tire dimensions (Calculated)
1st Side Wall Height (inch):
2nd Tire Width (inch):
3rd Tire Diameter (inch):
4th Tire Circumference (inch):
5th Revolutions per mile:
6th Revolutions per kilometer:

Shift Points, You can edit, copy and paste from table
You can zoom the charts by using your scroll wheel on the mouse or selecting an area of interest on the chart with the mouse. Click areas of interest in the charts to see data points of interest. Double click in the chart area to reset its view to see all data.