| Be very careful if you are considering | | | | brakes and other vehicle parts. You should |
| changing your vehicle's stock size. Using an | | | | keep your overall tire height within 3% of |
| inappropriate tire size could make your | | | | the height of your original stock tires. |
| vehicle unsafe. Before switching tire sizes, | | | | |
| try using an online tire size calculator to | | | | Revolutions Per Mile: A taller tire has a |
| help keep your vehicle safe. | | | | larger circumference. So it covers more |
| | | | distance with each rotation of the wheel |
| You don't have to be a tire professional to | | | | axle. This means a taller tire will have |
| use these free tire size calculators. You | | | | lower rotations per mile. The revolutions |
| just have to know how to read the | | | | per mile is used in calculations by various |
| information. When you enter a tire size into | | | | vehicle components such as the speedometer & |
| a tire size calculator, a variety of | | | | odometer. |
| information is returned. | | | | |
| | | | Speedometer Difference: If you change your |
| Tire Section Width: The tire's width can be | | | | tire size and it is not the same as stock |
| important in preventing clearance issues. A | | | | tire height, your speedometer and odometer |
| wide tire could rub on the wheel well or | | | | will be inaccurate. Tire size calculators |
| suspension components, particularly when the | | | | will show just how much your speedometer will |
| wheels are turned. A wider tire also lowers | | | | be thrown off. A taller tire will make your |
| your gas mileage. | | | | speedometer read slower than actual speed. |
| | | | Conversely a shorter tire will make your |
| Rim Width Range: Each tire size can only fit | | | | speedometer read faster than actual speed. |
| on wheels within a particular width range. | | | | |
| If the tire is too wide or too narrow for | | | | That is the most important information that |
| your wheels, there is extra stress on the | | | | you can view with a tire size calculator. |
| tire which could result in tire failure. | | | | Most tire calculators offer a lot of other |
| | | | information, but that is primarily for |
| Overall Diameter: Your tire's overall | | | | advanced users. Your main concern is usually |
| diameter is very important as tires with | | | | finding a tire size that is very close to |
| different heights rotate at different speeds. | | | | stock height. After doing some research, |
| This would interfere with your speedometer | | | | always consult a tire professional before |
| and odometer. It could interfere with ABS | | | | switching tire sizes. |