Use this calculator to determine the tire diameter and number of revs per mile for a given tire size.


 
Tire Cross-Section  
 
Aspect Ratio  
 
Wheel Diameter  
 

Wheel Cross-Section Diagram
 

Tire Diameter (in inches)
 

Approx. Section Width (in inches)
 

Approx. Rim Width (in inches)
 

Revs per Mile