What does 395/65R18 mean?
395/65R18 is a tire size with the following dimensions:
- 395 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.
- 65 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.
- 18 is the diameter of the wheel in inches, on which the tire is to be mounted.
395/65R18 Tire Conversion
| Dimensions | Inches | Millimeters |
| Tire Diameter | 38.2 in | 970.7 mm |
| Section Width | 15.6 in | 395 mm |
| Rim Height | 18 in | 457 mm |
| Sidewall Height | 10.1 in | 256.8 mm |
| Circumference | 120.1 in | 3049.5 mm |
| Revolutions | 527.7 revs/mile | |
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FAQ About 395/65R18 Tire
How tall is a 395/65R18 tire?
The height (or diameter) of a 395/65R18 tire is 38.2 inches
How wide is a 395/65R18 tire?
The width of a 395/65R18 tire is 395 mm, which is about 15.6 inches.
What size rim fits a 395/65R18 tire?
A 395/65R18 tire fits on a rim that is 18 inches in diameter.
What does the 65 in a 395/65R18 tire mean?
The 65 in a 395/65R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 65% of its width.
Alternative Tire Sizes for 395/65R18
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 395/65R18:
| Tire Size | Diameter | Rim |
|---|