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Calculate Tire Diameter




Your overall tire diameter in inches is:
Your overall tire width in inches is:     

Calculate 1/4 mile ET from 1/8 mile ET
Enter you 1/8 mile ET:



Your 1/4 mile ET is:   

Calculate 1/4 mile MPH from 1/8 mile MPH
Enter you 1/8 mile MPH:



Your 1/4 mile MPH is: