What does 225/45R17 mean?
225 |
The tire width is 225mm. |
45 |
The aspect ratio of the tire is 45. 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. |
225/45R17 94Y tire size
The width of 225/45R17 94Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 225/45R17 94Y tire size in inches as well as few additional metrics:
|
In inches | In millimeters |
Section Width |
8.9″ | 225mm |
Sidewall height |
4.0″ | 101mm |
Diameter / Height |
25.0″ | 634mm |
Circumference |
78.5″ | 1993mm |
Rim Diameter |
17″ | |
Revolutions |
808 per mile | 502 per kilometer |
Rim Size for 225/45R17 94Y Tires
Recommended rim sizes for 225/45R17 94Y tire:
Diameter | Width Range |
17″ | 7-8.5″ |
What does 94Y mean?
The load index 94 means that the tire has been designed to support 1477 lbs or 670 kg.
The speed index Y means that the tire has been designed to be used in speed up to 186 mph or 300 kph.
This size is usually used on passenger cars.