What does 215/75R15 mean?
215 |
The tire width is 215mm. |
75 |
The aspect ratio of the tire is 75. 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. |
15 |
Rim diameter for the tire. |
215/75R15 100Q tire size
The width of 215/75R15 100Q tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 215/75R15 100Q tire size in inches as well as few additional metrics:
|
In inches | In millimeters |
Section Width |
8.5″ | 215mm |
Sidewall height |
6.3″ | 161mm |
Diameter / Height |
27.7″ | 704mm |
Circumference |
87.0″ | 2210mm |
Rim Diameter |
15″ | |
Revolutions |
728 per mile | 452 per kilometer |
Rim Size for 215/75R15 100Q Tires
Recommended rim sizes for 215/75R15 100Q tire:
Diameter | Width Range |
15″ | 5.5-7″ |
What does 100Q mean?
The load index 100 means that the tire has been designed to support 1764 lbs or 800 kg.
The speed index Q means that the tire has been designed to be used in speed up to 100 mph or 160 kph.
This size tire is most commonly used on light trucks and SUVs.