What does 275/45R20 mean?
|
275 |
The tire width is 275mm. |
|
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. |
|
20 |
Rim diameter for the tire. |
275/45R20 110H tire size
The width of 275/45R20 110H tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 275/45R20 110H tire size in inches as well as few additional metrics:
|
|
In inches | In millimeters |
|
Section Width |
10.8″ | 275mm |
|
Sidewall height |
4.9″ | 124mm |
|
Diameter / Height |
29.7″ | 756mm |
|
Circumference |
93.4″ | 2373mm |
|
Rim Diameter |
20″ | |
|
Revolutions |
678 per mile | 421 per kilometer |
Rim Size for 275/45R20 110H Tires
Recommended rim sizes for 275/45R20 110H tire:
| Diameter | Width Range |
| 20″ | 8.5-10.5″ |
What does 110H mean?
The load index 110 means that the tire has been designed to support 2337 lbs or 1060 kg.
The speed index H means that the tire has been designed to be used in speed up to 130 mph or 210 kph.
This size tires are usually used on high-performance cars.