165/55R13 Tire Size in Inches and Millimeters
165/55R13 tires have a diameter of 20.2" (512 mm), a tread width of 6.5" (165 mm), and a wheel diameter of 13" (330.2 mm).The sidewall of the tire is 3.6" (91 mm), and the tire's circumference is 63.4" (1607.7 mm). This means a 165/55R13 tire will make make 999 revolutions per mile, or 622 revolutions per kilometer.
| Spec | Inches | Metric |
|---|---|---|
| Diameter | 20.2" | 512 mm |
| Width | 6.5" | 165 mm |
| Wheel | 13" | 330.2 mm |
| Sidewall | 3.6" | 91 mm |
| Circum | 63.4" | 1607.7 mm |
| Revolutions | 999 per mile | 622 per km |
What Does 165/55R13 Mean?
The tire size 165/55R13 is a common size used on many trucks, SUVs, and other larger vehicles.
Here is what each part of the size designation represents:
- 165: This number represents the width of the tire in millimeters. In this case, the tire is 165 millimeters wide.
- 55: 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 55% 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.
- 13: 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 13-inch wheel.
How To Convert 165/55R13 Into Inches
The 165/55R13 conversion is fairly simple. The first number in the tire size, 165, represents the width of the tire in millimeters. To convert this to inches, we divide 165 by 25.4 (since there are 25.4 millimeters in an inch). This gives us approximately 6.5 inches.
The second number in the tire size, 55, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 6.5 by 0.55, which gives us approximately 3.6 inches.
Finally, the last number in the tire size, 13, represents the diameter of the wheel rim in inches. Therefore, the tire size 165/55R13 can be expressed in inches as roughly 6.5 inches wide, 3.6 inches tall, and designed to fit a 13-inch wheel rim.
Frequently Asked Questions About 165/55R13 Tires
How tall is a 165/55R13 tire?
A 165/55R13 tire has an approximate height, also known as the overall diameter, of 20.2 inches (512 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 165/55R13 tire?
A 165/55R13 tire has a width of approximately 6.5 inches (165 millimeters). The width of the tire is the first number in the tire size designation, which in this case is “165”. 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 165/55R13 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 |
|---|---|---|---|
| 105/70R14 | 19.8" | 504 mm | 14 mm |
| 105/80R13 | 19.6" | 498 mm | 13 mm |
| 115/70R14 | 20.4" | 518 mm | 14 mm |
| 125/80R12 | 19.9" | 505 mm | 12 mm |
| 135/70R13 | 20.5" | 520 mm | 13 mm |
| 135/80R12 | 20.5" | 521 mm | 12 mm |
| 145/60R13 | 19.8" | 504 mm | 13 mm |
| 145/65R13 | 20.4" | 518 mm | 13 mm |
| 145/70R12 | 20" | 509 mm | 12 mm |
| 155/55R14 | 20.7" | 526 mm | 14 mm |
| 155/70R12 | 20.6" | 523 mm | 12 mm |
| 155/80R10 | 19.8" | 502 mm | 10 mm |
| 165/50R14 | 20.6" | 522 mm | 14 mm |
| 165/55R13 | 20.2" | 512 mm | 13 mm |
| 165/60R12 | 19.8" | 503 mm | 12 mm |
| 175/50R13 | 19.9" | 506 mm | 13 mm |
| 175/55R13 | 20.6" | 522 mm | 13 mm |
| 195/40R14 | 20.2" | 512 mm | 14 mm |
| 195/45R13 | 19.9" | 506 mm | 13 mm |