285/65R17 Tire Size in Inches and Millimeters
285/65R17 tires have a diameter of 31.6" (802 mm), a tread width of 11.2" (285 mm), and a wheel diameter of 17" (431.8 mm).The sidewall of the tire is 7.3" (185 mm), and the tire's circumference is 99.2" (2518.3 mm). This means a 285/65R17 tire will make make 639 revolutions per mile, or 397 revolutions per kilometer.
| Spec | Inches | Metric |
|---|---|---|
| Diameter | 31.6" | 802 mm |
| Width | 11.2" | 285 mm |
| Wheel | 17" | 431.8 mm |
| Sidewall | 7.3" | 185 mm |
| Circum | 99.2" | 2518.3 mm |
| Revolutions | 639 per mile | 397 per km |
What Does 285/65R17 Mean?
The tire size 285/65R17 is a common size used on many trucks, SUVs, and other larger vehicles.
Here is what each part of the size designation represents:
- 285: This number represents the width of the tire in millimeters. In this case, the tire is 285 millimeters wide.
- 65: 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 65% 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 285/65R17 Into Inches
The 285/65R17 conversion is fairly simple. The first number in the tire size, 285, represents the width of the tire in millimeters. To convert this to inches, we divide 285 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 11.2 inches.
The second number in the tire size, 65, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 11.2 by 0.65, which gives us approximately 7.3 inches.
Finally, the last number in the tire size, 17, represents the diameter of the wheel rim in inches. Therefore, the tire size 285/65R17 can be expressed in inches as roughly 11.2 inches wide, 7.3 inches tall, and designed to fit a 17-inch wheel rim.
Frequently Asked Questions About 285/65R17 Tires
How tall is a 285/65R17 tire?
A 285/65R17 tire has an approximate height, also known as the overall diameter, of 31.6 inches (802 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 285/65R17 tire?
A 285/65R17 tire has a width of approximately 11.2 inches (285 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “285”. 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 285/65R17 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 |
|---|---|---|---|
| 165/90R19 | 30.7" | 781 mm | 19 mm |
| 225/75R18 | 31.3" | 795 mm | 18 mm |
| 225/85R16 | 31" | 788 mm | 16 mm |
| 225/90R16 | 32" | 812 mm | 16 mm |
| 235/65R19 | 31.1" | 789 mm | 19 mm |
| 235/70R18 | 31" | 787 mm | 18 mm |
| 235/75R17 | 30.9" | 784 mm | 17 mm |
| 235/75R18 | 31.9" | 809 mm | 18 mm |
| 235/80R16 | 30.8" | 782 mm | 16 mm |
| 235/80R17 | 31.8" | 808 mm | 17 mm |
| 235/85R16 | 31.7" | 806 mm | 16 mm |
| 245/60R20 | 31.6" | 802 mm | 20 mm |
| 245/70R18 | 31.5" | 801 mm | 18 mm |
| 245/75R17 | 31.5" | 800 mm | 17 mm |
| 255/30R26 | 32" | 814 mm | 26 mm |
| 255/45R22 | 31.1" | 789 mm | 22 mm |
| 255/50R21 | 31.1" | 789 mm | 21 mm |
| 255/55R20 | 31" | 788 mm | 20 mm |
| 255/60R19 | 31.1" | 789 mm | 19 mm |
| 255/60R20 | 32" | 814 mm | 20 mm |
| 255/65R18 | 31.1" | 789 mm | 18 mm |
| 255/65R19 | 32.1" | 815 mm | 19 mm |
| 255/70R17 | 31.1" | 790 mm | 17 mm |
| 255/70R18 | 32.1" | 815 mm | 18 mm |
| 255/75R17 | 32" | 814 mm | 17 mm |
| 265/45R22 | 31.4" | 797 mm | 22 mm |
| 265/50R22 | 32.5" | 825 mm | 22 mm |
| 265/60R20 | 32.5" | 826 mm | 20 mm |
| 265/65R18 | 31.5" | 801 mm | 18 mm |
| 265/70R16 | 30.6" | 778 mm | 16 mm |
| 265/70R17 | 31.7" | 804 mm | 17 mm |
| 265/75R15 | 30.7" | 779 mm | 15 mm |
| 265/75R16 | 31.7" | 804 mm | 16 mm |
| 275/25R26 | 31.4" | 798 mm | 26 mm |
| 275/40R22 | 30.7" | 779 mm | 22 mm |
| 275/40R23 | 31.7" | 804 mm | 23 mm |
| 275/45R21 | 30.7" | 781 mm | 21 mm |
| 275/45R22 | 31.8" | 807 mm | 22 mm |
| 275/50R20 | 30.9" | 784 mm | 20 mm |
| 275/50R21 | 31.9" | 809 mm | 21 mm |
| 275/55R19 | 30.9" | 785 mm | 19 mm |
| 275/55R20 | 31.9" | 810 mm | 20 mm |
| 275/60R18 | 31" | 787 mm | 18 mm |
| 275/65R17 | 31.1" | 790 mm | 17 mm |
| 275/65R18 | 32.1" | 815 mm | 18 mm |
| 275/70R16 | 31.2" | 792 mm | 16 mm |
| 275/70R17 | 32.2" | 818 mm | 17 mm |
| 285/30R24 | 30.8" | 782 mm | 24 mm |
| 285/35R23 | 30.9" | 784 mm | 23 mm |
| 285/35R24 | 31.9" | 810 mm | 24 mm |
| 285/40R22 | 31" | 787 mm | 22 mm |
| 285/40R23 | 32" | 812 mm | 23 mm |
| 285/45R21 | 31.1" | 789 mm | 21 mm |
| 285/45R22 | 32.1" | 815 mm | 22 mm |
| 285/50R20 | 31.3" | 794 mm | 20 mm |
| 285/55R19 | 31.4" | 797 mm | 19 mm |
| 285/55R20 | 32.4" | 822 mm | 20 mm |
| 285/60R18 | 31.5" | 799 mm | 18 mm |
| 285/65R17 | 31.6" | 802 mm | 17 mm |
| 285/70R15 | 30.7" | 781 mm | 15 mm |
| 285/70R16 | 31.7" | 806 mm | 16 mm |
| 295/25R26 | 31.8" | 808 mm | 26 mm |
| 295/30R24 | 31" | 788 mm | 24 mm |
| 295/35R23 | 31.1" | 790 mm | 23 mm |
| 295/35R24 | 32.1" | 816 mm | 24 mm |
| 295/40R22 | 31.3" | 795 mm | 22 mm |
| 295/45R22 | 32.5" | 825 mm | 22 mm |
| 295/50R20 | 31.7" | 804 mm | 20 mm |
| 295/65R16 | 31.1" | 790 mm | 16 mm |
| 305/25R26 | 32" | 812 mm | 26 mm |
| 305/35R23 | 31.4" | 798 mm | 23 mm |
| 305/35R24 | 32.4" | 824 mm | 24 mm |
| 305/40R22 | 31.6" | 803 mm | 22 mm |
| 305/45R20 | 30.8" | 782 mm | 20 mm |
| 305/50R20 | 32" | 814 mm | 20 mm |
| 305/60R17 | 31.4" | 798 mm | 17 mm |
| 305/60R18 | 32.4" | 823 mm | 18 mm |
| 305/70R15 | 31.9" | 809 mm | 15 mm |
| 315/30R24 | 31.5" | 800 mm | 24 mm |
| 315/35R22 | 30.7" | 779 mm | 22 mm |
| 315/40R21 | 30.9" | 785 mm | 21 mm |
| 315/45R21 | 32.2" | 817 mm | 21 mm |
| 315/50R20 | 32.4" | 824 mm | 20 mm |
| 315/70R15 | 32.4" | 823 mm | 15 mm |
| 325/30R23 | 30.7" | 780 mm | 23 mm |
| 325/35R22 | 31" | 787 mm | 22 mm |
| 325/35R23 | 32" | 812 mm | 23 mm |
| 325/40R21 | 31.2" | 793 mm | 21 mm |
| 325/40R22 | 32.2" | 819 mm | 22 mm |
| 335/30R24 | 32" | 812 mm | 24 mm |
| 345/55R16 | 30.9" | 786 mm | 16 mm |
| 345/55R17 | 32" | 812 mm | 17 mm |
| 355/25R24 | 31" | 788 mm | 24 mm |
| 375/55R16 | 32.2" | 818 mm | 16 mm |
| 405/25R24 | 32" | 812 mm | 24 mm |