What does 165-75R13 mean?
Tire sizes are easy to understand once you learn how to read them. On this page you'll find a color-coded explanation of the 165-75R13 tire code.
165 | This number indicates that your tire has a width of 165 millimeters. | ||||||
75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 123 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
13 | The tire size was designed to fit rims or wheels that are 13 inches in diameter. |