What does 345/85R16 mean?
345/85R16 is a tire size with the following dimensions:
- 345 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.
- 85 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.
- 16 is the diameter of the wheel in inches, on which the tire is to be mounted.
345/85R16 Tire Conversion
| Dimensions | Inches | Millimeters |
| Tire Diameter | 39.1 in | 992.9 mm |
| Section Width | 13.6 in | 345 mm |
| Rim Height | 16 in | 406 mm |
| Sidewall Height | 11.5 in | 293.3 mm |
| Circumference | 122.8 in | 3119.3 mm |
| Revolutions | 515.9 revs/mile | |
Not the tire size you are searching for? Try our Tire Size Calculator.
FAQ About 345/85R16 Tire
How tall is a 345/85R16 tire?
The height (or diameter) of a 345/85R16 tire is 39.1 inches
How wide is a 345/85R16 tire?
The width of a 345/85R16 tire is 345 mm, which is about 13.6 inches.
What size rim fits a 345/85R16 tire?
A 345/85R16 tire fits on a rim that is 16 inches in diameter.
What does the 85 in a 345/85R16 tire mean?
The 85 in a 345/85R16 tire refers to the aspect ratio, meaning the height of the tire's sidewall is 85% of its width.
Alternative Tire Sizes for 345/85R16
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 345/85R16:
| Tire Size | Diameter | Rim |
|---|---|---|
| 355/80R16 | 38.4″ (-1.8%) | 16 x n/a |