What does 135/80R12 mean?
135/80R12 is a tire size with the following dimensions:
- 135 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.
- 80 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.
- 12 is the diameter of the wheel in inches, on which the tire is to be mounted.
135/80R12 Tire Conversion
Dimensions | Inches | Millimeters |
Tire Diameter | 20.5 in | 520.8 mm |
Section Width | 5.3 in | 135 mm |
Rim Height | 12 in | 304 mm |
Sidewall Height | 4.3 in | 108 mm |
Circumference | 64.4 in | 1636.1 mm |
Revolutions | 983.6 revs/mile |
FAQ About 135/80R12 Tire
How tall is a 135/80R12 tire?
The height (or diameter) of a 135/80R12 tire is 20.5 inches
How wide is a 135/80R12 tire?
The width of a 135/80R12 tire is 135 mm, which is about 5.3 inches.
What size rim fits a 135/80R12 tire?
A 135/80R12 tire fits on a rim that is 12 inches in diameter.
What does the 80 in a 135/80R12 tire mean?
The 80 in a 135/80R12 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 80% of its width.
Alternative Tire Sizes for 135/80R12
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 135/80R12:
Tire Size | Diameter | Rim |
---|---|---|
155/70R12 | 20.5″ (Equal) | 12 x 4.0-5.0 |
125/80R12 | 19.9″ (-2.9%) | 12 x n/a |
145/70R12 | 20.0″ (-2.4%) | 12 x 3.5-5.0 |
145/80R12 | 21.1″ (2.9%) | 12 x 3.5-5.0 |
165/70R12 | 21.1″ (2.9%) | 12 x 4.0-5.5 |