215/55R15 in Inches

A 215/55R15 tire has a 24.3-inch diameter, a 8.5-inch width, and is designed for a 15-inch rim.

In high flotation terms, this tire is labeled as 24.3x8.5R15.

8.5"

24.3"

76.4"

15"

4.7"

829.6 revs/mile

215/55R15 Tire Overview

Tirelib.com

215/55R15 is a tire size with the following dimensions:

215 is the width of the tire in millimeters. This number also indicates the appropriate width of the rim on which the tire should be mounted.
55 is the aspect ratio, which is the ratio of the tire's height to its width. This affects the tire's handling and ride comfort
R indicates the tire's construction type, meaning it has a radial construction. This provides stability and precision to the tire.
15 is the diameter of the wheel in inches, on which the tire is to be mounted.

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The height (or diameter) of a 215/55R15 tire is 24.3 inches

The width of a 215/55R15 tire is 215 mm, which is about 8.5 inches.

A 215/55R15 tire fits on a rim that is 15 inches in diameter.

The 55 in a 215/55R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 55% of its width.

Typically, it's recommended to choose a tire with a diameter (height) within 3% of the original equipment manufacturer (OEM) tire size.

However, keep in mind that this is a general guideline and not an absolute rule.

Here are some tire sizes that are compatible with the 215/55R15: