255/70R18 Tires
255/70R18 Conversion
When converted to inches, 255/70R18 is equivalent to 32.1x10R18.
255/70R18 tire has a section width of 10 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 18 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 7 inches (179 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 32.1 inches (815 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 100.8 inches (2559.1 mm) is the outer perimeter of the tire. Tire revolutions indicate the number of times a tire revolves while it covers the distance in miles or kilometers. 255/70R18 tire makes 629 revolutions per mile (391 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 815 mm | 32.1" |
| Tread Width | 255 mm | 10" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 179 mm | 7" |
| Circumference | 2559.1 mm | 100.8" |
| Revolutions | 391 per km | 629 per mile |
| Best Prices on 255/70R18 Tires | |
|---|---|
 |
|
 |
|
 from $188.60 |
|
 from $176.94 |
|
 from $145.99 |
|
 from $139.99 |
|
255/70R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 255/70R18 tire can be replaced with 26 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 285/50R20 | 31.3" (794 mm) | -2.6% |
| 225/75R18 | 31.3" (795 mm) | -2.5% |
| 285/55R19 | 31.4" (797 mm) | -2.2% |
| 285/60R18 | 31.5" (799 mm) | -2% |
| 265/65R18 | 31.5" (801 mm) | -1.7% |
| 245/70R18 | 31.5" (801 mm) | -1.7% |
| 245/60R20 | 31.6" (802 mm) | -1.6% |
| 295/50R20 | 31.7" (804 mm) | -1.3% |
| 235/75R18 | 31.9" (809 mm) | -0.7% |
| 275/55R20 | 31.9" (810 mm) | -0.6% |
| 225/70R19.5 | 31.9" (811 mm) | -0.5% |
| 305/50R20 | 32" (814 mm) | -0.1% |
| 255/60R20 | 32" (814 mm) | -0.1% |
| 275/65R18 | 32.1" (815 mm) | 0% |
| 255/65R19 | 32.1" (815 mm) | 0% |
| 285/55R20 | 32.4" (822 mm) | 0.9% |
| 305/60R18 | 32.4" (823 mm) | 1% |
| 315/50R20 | 32.4" (824 mm) | 1.1% |
| 265/60R20 | 32.5" (826 mm) | 1.3% |
| 285/65R18 | 32.6" (827 mm) | 1.5% |
| 265/70R18 | 32.6" (829 mm) | 1.7% |
| 295/55R20 | 32.8" (832 mm) | 2.1% |
| 375/50R18 | 32.8" (833 mm) | 2.2% |
| 325/50R20 | 32.8" (834 mm) | 2.3% |
| 275/60R20 | 33" (838 mm) | 2.8% |
| 245/70R19.5 | 33" (839 mm) | 2.9% |