MAINTECHTUNING TOOLSTIRE RATIO CALCULATOR

Tire Ratio Calculator By knowing your current top speed and rear tire height in inches, this handy calculator will determine how much speed can be gained or lost using different rear tire diameter sizes. Previous Top Speed:    Previous Rear Tire Height (inches):    New Rear Tire Height (inches):    Which do you use? (MPH or KMH) MPH     KMH     New Top Speed:   Difference In Top Speed: