What does 205/50R18 mean?
205/50R18 is a tire size with the following dimensions:
- 205 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.
- 50 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.
205/50R18 Tire Conversion
Dimensions | Inches | Millimeters |
Tire Diameter | 26.1 in | 662.2 mm |
Section Width | 8.1 in | 205 mm |
Rim Height | 18 in | 457 mm |
Sidewall Height | 4 in | 102.5 mm |
Circumference | 81.9 in | 2080.4 mm |
Revolutions | 773.6 revs/mile |
FAQ About 205/50R18 Tire
How tall is a 205/50R18 tire?
The height (or diameter) of a 205/50R18 tire is 26.1 inches
How wide is a 205/50R18 tire?
The width of a 205/50R18 tire is 205 mm, which is about 8.1 inches.
What size rim fits a 205/50R18 tire?
A 205/50R18 tire fits on a rim that is 18 inches in diameter.
What does the 50 in a 205/50R18 tire mean?
The 50 in a 205/50R18 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 50% of its width.
Alternative Tire Sizes for 205/50R18
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 205/50R18:
Tire Size | Diameter | Rim |
---|---|---|
295/35R18 | 26.1″ (Equal) | 18 x 10.0-11.5 |
345/30R18 | 26.1″ (Equal) | 18 x 12.0-14.0 |
135/70R18 | 25.4″ (-2.7%) | 18 x n/a |
135/80R18 | 26.5″ (1.5%) | 18 x n/a |
145/65R18 | 25.4″ (-2.7%) | 18 x n/a |
145/70R18 | 26.0″ (-0.4%) | 18 x n/a |
155/70R18 | 26.5″ (1.5%) | 18 x n/a |
185/55R18 | 26.0″ (-0.4%) | 18 x n/a |
215/45R18 | 25.6″ (-1.9%) | 18 x 7.0-8.0 |
215/50R18 | 26.5″ (1.5%) | 18 x 6.0-7.5 |
225/45R18 | 26.0″ (-0.4%) | 18 x 7.0-8.5 |
235/40R18 | 25.4″ (-2.7%) | 18 x 8.0-9.5 |
235/45R18 | 26.3″ (0.8%) | 18 x 7.5-9.0 |
245/40R18 | 25.7″ (-1.5%) | 18 x 8.0-9.5 |
245/45R18 | 26.7″ (2.3%) | 18 x 7.5-9.0 |
255/40R18 | 26.0″ (-0.4%) | 18 x 8.5-10.0 |
265/40R18 | 26.3″ (0.8%) | 18 x 9.0-10.5 |
275/35R18 | 25.6″ (-1.9%) | 18 x 9.0-11.0 |
275/40R18 | 26.7″ (2.3%) | 18 x 9.0-11.0 |
285/35R18 | 25.9″ (-0.8%) | 18 x 9.5-11.0 |
305/35R18 | 26.4″ (1.1%) | 18 x 10.0-12.0 |
315/30R18 | 25.4″ (-2.7%) | 18 x 10.5-11.5 |
315/35R18 | 26.7″ (2.3%) | 18 x 10.5-12.5 |
335/30R18 | 25.9″ (-0.8%) | 18 x 11.5-12.5 |