255/80R17 Tire Size in Inches and Millimeters
255/80R17 tires have a diameter of 33.1" (840 mm), a tread width of 10" (255 mm), and a wheel diameter of 17" (431.8 mm).The sidewall of the tire is 8" (204 mm), and the tire's circumference is 103.9" (2637.6 mm). This means a 255/80R17 tire will make make 610 revolutions per mile, or 379 revolutions per kilometer.
| Spec | Inches | Metric |
|---|---|---|
| Diameter | 33.1" | 840 mm |
| Width | 10" | 255 mm |
| Wheel | 17" | 431.8 mm |
| Sidewall | 8" | 204 mm |
| Circum | 103.9" | 2637.6 mm |
| Revolutions | 610 per mile | 379 per km |
What Does 255/80R17 Mean?
The tire size 255/80R17 is a common size used on many trucks, SUVs, and other larger vehicles.
Here is what each part of the size designation represents:
- 255: This number represents the width of the tire in millimeters. In this case, the tire is 255 millimeters wide.
- 80: This number represents the aspect ratio of the tire, which is the height of the tire's sidewall as a percentage of its width. In this case, the sidewall height is 80% of the tire's width.
- R: This letter indicates the tire's construction type. “R” stands for radial construction, which is the most common type of tire construction today.
- 17: This number represents the diameter of the wheel that the tire is designed to fit on, in inches. In this case, the tire is designed to fit on a 17-inch wheel.
How To Convert 255/80R17 Into Inches
The 255/80R17 conversion is fairly simple. The first number in the tire size, 255, represents the width of the tire in millimeters. To convert this to inches, we divide 255 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 10 inches.
The second number in the tire size, 80, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 10 by 0.80, which gives us approximately 8 inches.
Finally, the last number in the tire size, 17, represents the diameter of the wheel rim in inches. Therefore, the tire size 255/80R17 can be expressed in inches as roughly 10 inches wide, 8 inches tall, and designed to fit a 17-inch wheel rim.
Frequently Asked Questions About 255/80R17 Tires
How tall is a 255/80R17 tire?
A 255/80R17 tire has an approximate height, also known as the overall diameter, of 33.1 inches (840 mm). This height can vary slightly depending on the brand and model of the tire, as well as the amount of air pressure in the tire.How wide is a 255/80R17 tire?
A 255/80R17 tire has a width of approximately 10 inches (255 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “255”. It’s important to note that the actual width of the tire may vary slightly depending on the brand and model of the tire, and the width may also be affected by the amount of air pressure in the tire.Alternate 255/80R17 Replacement Tire Sizes
Upsizing your wheels or tires? Replacement tires must be within 3% of the diametor of the original tire. The following sizes fall within that range - click on any size to see detailed info about that tire and wheel combination.
| Size | Diameter | Width | Wheel |
|---|---|---|---|
| 235/85R17 | 32.8" | 832 mm | 17 mm |
| 255/65R19 | 32.1" | 815 mm | 19 mm |
| 255/70R18 | 32.1" | 815 mm | 18 mm |
| 255/80R17 | 33.1" | 840 mm | 17 mm |
| 255/85R16 | 33.1" | 840 mm | 16 mm |
| 265/50R22 | 32.5" | 825 mm | 22 mm |
| 265/60R20 | 32.5" | 826 mm | 20 mm |
| 265/70R18 | 32.6" | 829 mm | 18 mm |
| 265/80R16 | 32.7" | 830 mm | 16 mm |
| 275/25R28 | 33.4" | 849 mm | 28 mm |
| 275/50R22 | 32.9" | 835 mm | 22 mm |
| 275/55R22 | 33.9" | 861 mm | 22 mm |
| 275/60R20 | 33" | 838 mm | 20 mm |
| 275/65R18 | 32.1" | 815 mm | 18 mm |
| 275/70R17 | 32.2" | 818 mm | 17 mm |
| 275/70R18 | 33.2" | 843 mm | 18 mm |
| 285/40R24 | 33" | 838 mm | 24 mm |
| 285/45R22 | 32.1" | 815 mm | 22 mm |
| 285/50R22 | 33.3" | 845 mm | 22 mm |
| 285/55R20 | 32.4" | 822 mm | 20 mm |
| 285/60R20 | 33.5" | 850 mm | 20 mm |
| 285/65R18 | 32.6" | 827 mm | 18 mm |
| 285/70R17 | 32.8" | 832 mm | 17 mm |
| 285/70R18 | 33.7" | 857 mm | 18 mm |
| 285/75R16 | 32.8" | 834 mm | 16 mm |
| 285/75R17 | 33.9" | 860 mm | 17 mm |
| 295/25R28 | 33.8" | 859 mm | 28 mm |
| 295/30R26 | 33" | 838 mm | 26 mm |
| 295/35R24 | 32.1" | 816 mm | 24 mm |
| 295/40R24 | 33.3" | 846 mm | 24 mm |
| 295/45R22 | 32.5" | 825 mm | 22 mm |
| 295/50R22 | 33.7" | 855 mm | 22 mm |
| 295/55R20 | 32.8" | 832 mm | 20 mm |
| 295/60R20 | 33.9" | 862 mm | 20 mm |
| 295/65R18 | 33.1" | 841 mm | 18 mm |
| 295/70R17 | 33.3" | 846 mm | 17 mm |
| 295/75R16 | 33.4" | 848 mm | 16 mm |
| 305/30R26 | 33.2" | 844 mm | 26 mm |
| 305/35R24 | 32.4" | 824 mm | 24 mm |
| 305/40R23 | 32.6" | 828 mm | 23 mm |
| 305/40R24 | 33.6" | 854 mm | 24 mm |
| 305/45R22 | 32.8" | 833 mm | 22 mm |
| 305/50R22 | 34.1" | 865 mm | 22 mm |
| 305/55R20 | 33.2" | 844 mm | 20 mm |
| 305/60R18 | 32.4" | 823 mm | 18 mm |
| 305/65R17 | 32.6" | 828 mm | 17 mm |
| 305/65R18 | 33.6" | 853 mm | 18 mm |
| 305/70R16 | 32.8" | 834 mm | 16 mm |
| 305/70R17 | 33.9" | 860 mm | 17 mm |
| 305/75R16 | 34" | 864 mm | 16 mm |
| 315/35R24 | 32.7" | 830 mm | 24 mm |
| 315/45R21 | 32.2" | 817 mm | 21 mm |
| 315/45R22 | 33.2" | 843 mm | 22 mm |
| 315/50R20 | 32.4" | 824 mm | 20 mm |
| 315/70R15 | 32.4" | 823 mm | 15 mm |
| 315/70R16 | 33.4" | 848 mm | 16 mm |
| 325/40R22 | 32.2" | 819 mm | 22 mm |
| 325/45R22 | 33.5" | 851 mm | 22 mm |
| 325/50R20 | 32.8" | 834 mm | 20 mm |
| 325/60R18 | 33.3" | 847 mm | 18 mm |
| 355/40R22 | 33.2" | 843 mm | 22 mm |
| 355/50R20 | 34" | 864 mm | 20 mm |
| 375/45R20 | 33.3" | 846 mm | 20 mm |
| 375/50R18 | 32.8" | 833 mm | 18 mm |
| 375/55R16 | 32.2" | 818 mm | 16 mm |