how can i tell what size tires are on my car

How To Find Your Tire Size. Metric, or tire type, defines the proper use of the tire. Tire width is the width of the tire measured in mm from sidewall to sidewall. Aspect ratio is the ratio of the height of the tire's cross-section to its width. Construction tells you how the layers of the tire were put together.

Tire Width. Is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.

The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. Tire width always refers to the measurement from one sidewall to another.

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How to Determine Tire Size. You may need to know the size of your tires for various reasons, such as for a spare tire or ...

... confusing. This is wikiHow to tell the size difference on a car tire. .... Question. Can I use various tire sizes on my car?

3 Jul 2018 ... How to determine trailer tire and wheel sizes. ... off the sidewall of your current vehicle or trailer tire.

23 Jul 2016 ... Before buying new tires it is important to know the tire size on your vehicle. Tire sizes are found on the ...