Tire Size Calculator

by: - Calculate what happens to your speedometer when you change your wheel and tire size. Enter your car's stock tire & new tire dimensions. If you are a Mustang owner, you can enter your tire dimensions by selecting your year & model from the Mustang tire size calculator's menu. Our tire size calculator is a valuable tool for anyone who wants to see what type of change a tire or rim swap will make and whether or not fitment may be an issue. Also, if your speedometer is miscalculated due to new wheels and tires, this tire sizing calculator lets you see what your actual cruising speed is.

 Stock Tire

Enter Dimensions

- OR - Search by Mustang Type

 New Tire

Enter Dimensions

Results

 Stock Tire

Standard:

Metric:

Sidewall 0.00" 0.00mm
Radius 0.00" 0.00mm
Diameter 0.00" 0.00mm
Circumference 0.00" 0.00mm
Revs 0.00  

 New Tire

Standard:

Metric:

Sidewall 0.00" 0.00mm
Radius 0.00" 0.00mm
Diameter 0.00" 0.00mm
Circumference 0.00" 0.00mm
Revs 0.00  
  • Speedometer Calibration

  • Speedometer Reading

    60mph | 100km/h
  • Actual Speed

Disclaimer: These calculations are just estimates and are for informational purposes only. We recommend that you verify these figures with the tire manufacturer for your specific tire and application.