What does 305/25R23 mean?
305/25R23 is a tire size with the following dimensions:
- 305 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.
- 25 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.
- 23 is the diameter of the wheel in inches, on which the tire is to be mounted.
305/25R23 Tire Conversion
| Dimensions | Inches | Millimeters |
| Tire Diameter | 29 in | 736.7 mm |
| Section Width | 12 in | 305 mm |
| Rim Height | 23 in | 584 mm |
| Sidewall Height | 3 in | 76.3 mm |
| Circumference | 91.1 in | 2314.4 mm |
| Revolutions | 695.4 revs/mile | |
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FAQ About 305/25R23 Tire
How tall is a 305/25R23 tire?
The height (or diameter) of a 305/25R23 tire is 29 inches
How wide is a 305/25R23 tire?
The width of a 305/25R23 tire is 305 mm, which is about 12 inches.
What size rim fits a 305/25R23 tire?
A 305/25R23 tire fits on a rim that is 23 inches in diameter.
What does the 25 in a 305/25R23 tire mean?
The 25 in a 305/25R23 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 25% of its width.
Alternative Tire Sizes for 305/25R23
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 305/25R23:
| Tire Size | Diameter | Rim |
|---|---|---|
| 265/25R23 | 28.2″ (-2.8%) | 23 x 9.5-10.0 |
| 315/25R23 | 29.2″ (0.7%) | 23 x 11.0-12.0 |