What does 225/50R18 mean?
225 |
The tire width is 225mm. |
50 |
The aspect ratio of the tire is 50. 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. |
18 |
Rim diameter for the tire. |
225/50R18 95V tire size
The width of 225/50R18 95V tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 225/50R18 95V tire size in inches as well as few additional metrics:
|
In inches | In millimeters |
Section Width |
8.9″ | 225mm |
Sidewall height |
4.4″ | 113mm |
Diameter / Height |
26.9″ | 682mm |
Circumference |
84.4″ | 2143mm |
Rim Diameter |
18″ | |
Revolutions |
751 per mile | 467 per kilometer |
Rim Size for 225/50R18 95V Tires
Recommended rim sizes for 225/50R18 95V tire:
Diameter | Width Range |
18″ | 6-8″ |
What does 95V mean?
The load index 95 means that the tire has been designed to support 1521 lbs or 690 kg.
The speed index V means that the tire has been designed to be used in speed up to 149 mph or 240 kph.
This size of tire is most commonly used on passenger cars.