What does 305/70R17 mean?
305/70R17 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.
- 70 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.
- 17 is the diameter of the wheel in inches, on which the tire is to be mounted.
305/70R17 Tire Conversion
Dimensions | Inches | Millimeters |
Tire Diameter | 33.8 in | 858.8 mm |
Section Width | 12 in | 305 mm |
Rim Height | 17 in | 431 mm |
Sidewall Height | 8.4 in | 213.5 mm |
Circumference | 106.2 in | 2698 mm |
Revolutions | 596.5 revs/mile |
FAQ About 305/70R17 Tire
How tall is a 305/70R17 tire?
The height (or diameter) of a 305/70R17 tire is 33.8 inches
How wide is a 305/70R17 tire?
The width of a 305/70R17 tire is 305 mm, which is about 12 inches.
What size rim fits a 305/70R17 tire?
A 305/70R17 tire fits on a rim that is 17 inches in diameter.
What does the 70 in a 305/70R17 tire mean?
The 70 in a 305/70R17 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 70% of its width.
Alternative Tire Sizes for 305/70R17
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 305/70R17:
Tire Size | Diameter | Rim |
---|---|---|
285/75R17 | 33.8″ (Equal) | 17 x 7.5-9.5 |
255/80R17 | 33.1″ (-2.1%) | 17 x 6.5-8.5 |
275/80R17 | 34.3″ (1.5%) | 17 x n/a |
295/70R17 | 33.3″ (-1.5%) | 17 x 8.0-9.5 |
295/75R17 | 34.4″ (1.8%) | 17 x n/a |
315/70R17 | 34.4″ (1.8%) | 17 x 8.0-10.5 |