What does 225/55R17 mean?
225 |
The tire width is 225mm. |
55 |
The aspect ratio of the tire is 55. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width. |
R |
The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.
Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates. |
17 |
Rim diameter for the tire. |
225/55R17 101T tire size
The width of 225/55R17 101T tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 225/55R17 101T tire size in inches as well as few additional metrics:
|
In inches | In millimeters |
Section Width |
8.9″ | 225mm |
Sidewall height |
4.9″ | 124mm |
Diameter / Height |
26.7″ | 679mm |
Circumference |
84.0″ | 2134mm |
Rim Diameter |
17″ | |
Revolutions |
754 per mile | 469 per kilometer |
Rim Size for 225/55R17 101T Tires
Recommended rim sizes for 225/55R17 101T tire:
Diameter | Width Range |
17″ | 6-8″ |
What does 101T mean?
The load index 101 means that the tire has been designed to support 1819 lbs or 825 kg.
The speed index T means that the tire has been designed to be used in speed up to 118 mph or 190 kph.
This size tire is usually used on a passenger car.