Tire Size? How To Read A Tire Sidewall

How To Read A Tire Sidewall

The side of your tire — known as the tire sidewall — contains all of the information you need to know about your tire size. Regardless of the manufacturer, all tires are required to show this information.

How To Read A Tire Sidewall

DOT Tire Serial Numbering System

DOT Tire Serial Numbering System


DOT” means the tire meets or exceeds Department of Transportation’s safety standards.

MA” is the code number assigned by DOT to the manufacturing plant.

L9” is the tire size; in this case a P195/75R14.

ABCD” is a group of up to four symbols, optional with the manufacturer, to identify the brand or other significant characteristics of the tire.

036” means the tire was made during the 3rd week of 1996. The first two numbers designates the week, the last number the year.

Tire and Wheel Information Look-Up by Make / Model


Wheel Tire Size and Fitment Calculator

Calculate Wheel Fitment, Tire Stretch and Rolling Radius. Includes Speedometer Error Calculator. Play with specs, try different settings and combinations, compare results…


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