Gear Ratio Calculator

This very simple calculator will allow you to see how gear ratios, final drive, rev limit, and tire size affect your speed in each gear.

1st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Final drive
Tire diameter in inches
Maximum engine
speed (RPM)
 
Gear Shift RPM Speed @ MAX RPM
1st
2nd
3rd
4th
5th
6th