Tire Size Calculator

Inputs

Enter your stock tire size :

/

– R

 Enter the new tire size :

/

– R
Please enter a speedometer reading: MPH or KM/H

Calculations

Stock tire width is inches. New tire width is inches.
Stock tire thickness is inches. New tire thickness is inches.
Stock tire diameter is inches. New tire diameter is inches.
When your speedometer indicates MPH / KM/H, you would actually be travelling MPH or KM/H.