Gear Ratio And Tire Size Calculator

Select Transmission :

Engine RPM : (Enter your desired RPM for racing or cruising here.)

Axle Ratio : (Enter your rear axle ratio here.)

Tire Height (in) : (Enter your tire height here. Use the Aspect Ratio calculator below if you do not know your tire height.)

The estimated speed you will be traveling based on the parameters you established and the transmission you selected.

ASPECT RATIO CALCULATOR: Find your tire height using this calculator.

Enter the tire width in millimeters, the aspect ratio, the wheel diameter in inches, and Click on Calculate
Tire Width (mm)		Wheel Diameter (in)
Aspect Ratio (1-100)

Tire Height (in)		Tire Width (in)

About Gear Ratio And Tire Size Calculator

Gear ratio and tire size calculator