165/55R13 In Inches – Tire Size & Rim Fitment Guide

What size tire is 165/55R13 in Inches?

The 165/55R13 tire has an overall diameter of 20.1 inches, a section width of 6.5 inches, and can be mounted on 13 x 4.5-6.0 inches rim. The equivalent tire size in the high flotation system is 20.1x6.5R13.

	Inches	Millimeters
Tire Diameter	20.1	511.7
Section Width	6.5	165
Rim Height	13	330
Sidewall Height	3.6	90.8
Circumference	63.3	1607.6

6.5"

20.1"

63.3"

13"

3.6"

1001.1 Revs/Mile

To easy understanding, let us break down each component of the 165/55R13 tire size to know what these numbers represent and how they may affect your vehicle's performance:

How tall is a 165/55R13 tire?

A 165/55R13 tire has a height of 20.1 inches (511.7 mm). This is the measurement from the bottom to the highest point at the top of a tire through its exact center when inflated and no load.

How wide is a 165/55R13 tire?

The 165/55R13 has a width of 6.5 inches (165 mm). This is the tire measurement at its thickest point, the distance between the inner sidewall’s and the outer sidewall’s widest point, also known as section width or tread width.

165/55R13 sidewall height

The sidewall height of a 165/55R13 is 3.6 inches (90.8 mm). It’s measured from the rim to the outer edge of the tire's tread, expressed as a percentage of tire width.

What size rim do I need for 165/55R13 tire?

You can put on a rim with a height of 13 inches and a rim width ranging from 4.5-6.0 inches for a 165/55R13 tire. (Based on recommendations of The Tire and Rim Association (TRA))

Putting very wide tires on narrow rims or vice versa can result in reduced performance of the tire.

165/55R13 circumference

The 165/55R13 tire has a circumference of 63.3 inches (1607.6 mm), This is the measurement of the distance the tire covers in one full rotation.

The tire circumference plays a crucial role in your vehicle's overall performance, affecting its speedometer accuracy, acceleration and fuel efficiency.

165/55R13 Revolutions

The 165/55R13 performs 1001.1 revs/mile. Revolutions per mile indicate the number of times a tire rotates while it covers the distance of one mile.

Alternative Tire Sizes for 165/55R13

As a rule, you can replace the tire within a 3% difference in tire diameter (height) of the OEM tire size. However, it should be considered as a general guideline, not a hard and fast rule. Here is a list of compatible tire sizes for 165/55R13: