Discount Tire Direct Logo Wheels and Tires
1-800-589-6789 Home Tires Wheels Suspension Installers Easy Credit Info Center View Cart

Red Square INFO CENTER
Tire Dimensions Made Simple
The results of this calculator are based on the mathematical equations of the sizes entered, not the actual tire specs provided by the tire manufacturers. Please refer to the guides supplied by manufacturers for exact specifications.
Not for use with high flotation sizes, i.e. 31x10.50R-15.
Fill out this section if you would like specs on just one tire size.
What size is being run now?
/   R-   		Would you like to compare it to another size? Enter new size below.
What size would you like to run?
/   R-  
Results
Totals are in inches Tire 1 Tire 2 Difference
Sidewall Height:
Section Width:
Overall Diameter:
Circumference:
Revs per mile:
Change the speedometer reading and hit "Check New Speed" if needed.
If your speedometer reads:   You're going approximately:  
Graphic of the sidewall height.
Home | Tires | Review a Tire | Winter Tires | Wheels & Rims | Suspension
Site Map | Installers | CarCareONE Card | Privacy | Contact Us | Info Center