Most modern passenger car and light truck tires feature size designations that
indicate the tire's dimensions in a combination of metric, mathematical and
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
Goodyear Auto Service Center can explain how to use a tire's sidewall to
determine tire size, performance ratings, construction and more.
When searching for new tires, Goodyear can help you find important information
such as tire size, speed rating, type, & more. Buy tires online at Goodyear.com.
Tire size calculator compares diameter, width, circumference and speedometer
differences for any two tire sizes. Supports tire sizes in metric and inches.
If you want to know if a particular spare tire cover will fit, or are trying to find out
how much clearance you would have when switching to another tire/wheel ...
Thankfully, determining the correct tire size for your vehicle is fairly simple. All the
information you need is immediately available either in the owner's manual for ...
Use the calculator to see what happens to your speedometer reading when you
change the size of your tires and wheels. The graphic shows your stock tire ...
This calculator will calculate an estimated tire diameter (height) from the standard
information given on the sidewall: width, aspect ratio, and wheel size.
Formula for Calculating Tire Dimensions Custom Car and Hot Rod Technical
Information from Performance Plus Wheel and Tire, your source for hot rod and ...