What does 285/40R15 mean?
285/40R15 is a tire size with the following dimensions:
- 285 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.
- 40 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.
- 15 is the diameter of the wheel in inches, on which the tire is to be mounted.
285/40R15 Tire Conversion
Dimensions | Inches | Millimeters |
Tire Diameter | 24 in | 609 mm |
Section Width | 11.2 in | 285 mm |
Rim Height | 15 in | 381 mm |
Sidewall Height | 4.5 in | 114 mm |
Circumference | 75.3 in | 1913.2 mm |
Revolutions | 841.2 revs/mile |
FAQ About 285/40R15 Tire
How tall is a 285/40R15 tire?
The height (or diameter) of a 285/40R15 tire is 24 inches
How wide is a 285/40R15 tire?
The width of a 285/40R15 tire is 285 mm, which is about 11.2 inches.
What size rim fits a 285/40R15 tire?
A 285/40R15 tire fits on a rim that is 15 inches in diameter.
What does the 40 in a 285/40R15 tire mean?
The 40 in a 285/40R15 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 40% of its width.
Alternative Tire Sizes for 285/40R15
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 285/40R15:
Tire Size | Diameter | Rim |
---|---|---|
175/65R15 | 24.0″ (Equal) | 15 x 5.0-6.0 |
255/45R15 | 24.0″ (Equal) | 15 x 8.0-9.5 |
125/90R15 | 23.9″ (-0.4%) | 15 x n/a |
135/80R15 | 23.5″ (-2.1%) | 15 x 3.5-4.5 |
135/90R15 | 24.6″ (2.5%) | 15 x n/a |
155/70R15 | 23.5″ (-2.1%) | 15 x 4.0-5.0 |
165/65R15 | 23.4″ (-2.5%) | 15 x 4.5-6.0 |
175/60R15 | 23.3″ (-2.9%) | 15 x 5.0-6.0 |
175/70R15 | 24.6″ (2.5%) | 15 x 4.5-6.0 |
185/60R15 | 23.7″ (-1.3%) | 15 x 5.0-6.5 |
185/65R15 | 24.5″ (2.1%) | 15 x 5.0-6.5 |
195/55R15 | 23.4″ (-2.5%) | 15 x 5.5-7.0 |
195/60R15 | 24.2″ (0.8%) | 15 x 5.5-7.0 |
205/55R15 | 23.9″ (-0.4%) | 15 x 5.5-7.5 |
205/60R15 | 24.7″ (2.9%) | 15 x 5.5-7.0 |
215/50R15 | 23.5″ (-2.1%) | 15 x 6.0-7.5 |
215/55R15 | 24.3″ (1.3%) | 15 x 6.0-7.5 |
225/50R15 | 23.9″ (-0.4%) | 15 x 6.0-8.0 |
225/55R15 | 24.7″ (2.9%) | 15 x 6.0-8.0 |
235/45R15 | 23.3″ (-2.9%) | 15 x 7.5-9.0 |
235/50R15 | 24.3″ (1.3%) | 15 x 6.5-8.5 |
245/50R15 | 24.6″ (2.5%) | 15 x 6.5-7.5 |
345/35R15 | 24.5″ (2.1%) | 15 x 11.5-13.5 |