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Tire Size Calculator

*When inputting values, do not include the 'R' -- input digits only

Size 1
Overall Diameter:
 
Width:
 
Circumference:
 
Revolutions per mile:
 
Size 2
Overall Diameter:
 
Width:
 
Circumference:
 
Revolutions per mile:
 

Infographic of a tire sidewall indicating what each of the numbers stand for: How to read a tire sidewall

Compare Tire Sizes and Find the Right Fit for Your Vehicle

Are you looking for new tires for your vehicle? Choosing the right tire size is important for your vehicle's performance, fuel efficiency, and safety. With our tire size comparison tool, you can easily compare two different tire sizes and find the best fit for your vehicle.

How to Find Your Vehicle's Tire Size

To get started, you'll need to know your vehicle's tire size. You can usually find this information in three places:

  1. The tire sidewall - Look for a series of numbers and letters on the tire sidewall that indicate the tire size. The format is typically something like this: P225/60R16.
  2. The door jamb - Open the driver's side door and look for a sticker on the door jamb that lists the recommended tire size for your vehicle.
  3. The owner's manual - Your vehicle's owner's manual should also include information on the recommended tire size.

Once you have your vehicle's tire size, simply enter the values for the tire sizes you want to compare in our tire size comparison form. Our tool will then calculate and display the overall diameter, width, circumference, and revolutions per mile for each tire size.

With this information, you can easily compare the performance characteristics of different tire sizes and choose the one that best meets your needs. Whether you're looking for a tire with better fuel efficiency, improved handling, or more traction in different driving conditions, our tire size comparison tool can help you make an informed decision.