What does 325/55R22 mean?
325/55R22 is a tire size with the following dimensions:
- 325 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.
- 22 is the diameter of the wheel in inches, on which the tire is to be mounted.
325/55R22 Tire Conversion
| Dimensions | Inches | Millimeters |
| Tire Diameter | 36.1 in | 916.3 mm |
| Section Width | 12.8 in | 325 mm |
| Rim Height | 22 in | 558 mm |
| Sidewall Height | 7 in | 178.8 mm |
| Circumference | 113.3 in | 2878.6 mm |
| Revolutions | 559.1 revs/mile | |
Not the tire size you are searching for? Try our Tire Size Calculator.
FAQ About 325/55R22 Tire
How tall is a 325/55R22 tire?
The height (or diameter) of a 325/55R22 tire is 36.1 inches
How wide is a 325/55R22 tire?
The width of a 325/55R22 tire is 325 mm, which is about 12.8 inches.
What size rim fits a 325/55R22 tire?
A 325/55R22 tire fits on a rim that is 22 inches in diameter.
What does the 55 in a 325/55R22 tire mean?
The 55 in a 325/55R22 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 55% of its width.
Alternative Tire Sizes for 325/55R22
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 325/55R22:
| Tire Size | Diameter | Rim |
|---|---|---|
| 305/55R22 | 35.2″ (-2.5%) | 22 x n/a |
| 335/55R22 | 36.5″ (1.1%) | 22 x 9.0-12.0 |
| 375/45R22 | 35.3″ (-2.2%) | 22 x 12.0-14.0 |