Gear Ratio & RPM Calculator

Gear ratio and RPM Calculator

Instructions:
 
Use this calculator to estimate various aspects of your performance. The defaults show suggested values.

If you would like to find a value other than speed, fill in information for all the boxes and clear the valu in box you would like an answer for. For example if you want to calculate RPM at a known speed, clear the RPM box or set it to 0.
 
Description:English Input:  Metric Input:
Tire Diameter: Inches MM 
Wheel Rollout: Inches MM 
Engine RPM: RPM 
Final Drive Ratio: 
Gear Ratio: 
Torque Converter Slip (%)% 
Speed:  MPH  KPH
 
   

 

 

Order a gear ratio calculator for your toolbox! Part Number CAL.

 


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