235/70R18 Tires
235/70R18 Conversion
When converted to inches, 235/70R18 is equivalent to 31x9.3R18.
235/70R18 tire has a section width of 9.3 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 6.5 inches (165 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 31 inches (787 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 97.3 inches (2471.2 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. 235/70R18 tire makes 651 revolutions per mile (405 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 787 mm | 31" |
| Tread Width | 235 mm | 9.3" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 165 mm | 6.5" |
| Circumference | 2471.2 mm | 97.3" |
| Revolutions | 405 per km | 651 per mile |
| Best Prices on 235/70R18 Tires | |
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 from $230.96 |
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235/70R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 235/70R18 tire can be replaced with 30 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 285/45R20 | 30.1" (764 mm) | -2.9% |
| 255/50R20 | 30.1" (764 mm) | -2.9% |
| 235/60R19 | 30.1" (765 mm) | -2.8% |
| 235/55R20 | 30.2" (766 mm) | -2.7% |
| 285/55R18 | 30.4" (771 mm) | -2% |
| 175/90R18 | 30.4" (773 mm) | -1.8% |
| 265/50R20 | 30.5" (774 mm) | -1.7% |
| 295/45R20 | 30.5" (774 mm) | -1.7% |
| 265/60R18 | 30.5" (775 mm) | -1.5% |
| 245/65R18 | 30.5" (775 mm) | -1.5% |
| 265/55R19 | 30.5" (775 mm) | -1.5% |
| 165/90R19 | 30.7" (781 mm) | -0.8% |
| 305/45R20 | 30.8" (782 mm) | -0.6% |
| 275/50R20 | 30.9" (784 mm) | -0.4% |
| 275/55R19 | 30.9" (785 mm) | -0.3% |
| 275/60R18 | 31" (787 mm) | 0% |
| 255/55R20 | 31" (788 mm) | 0.1% |
| 255/60R19 | 31.1" (789 mm) | 0.3% |
| 235/65R19 | 31.1" (789 mm) | 0.3% |
| 255/65R18 | 31.1" (789 mm) | 0.3% |
| 285/50R20 | 31.3" (794 mm) | 0.9% |
| 225/75R18 | 31.3" (795 mm) | 1% |
| 285/55R19 | 31.4" (797 mm) | 1.3% |
| 285/60R18 | 31.5" (799 mm) | 1.5% |
| 245/70R18 | 31.5" (801 mm) | 1.8% |
| 265/65R18 | 31.5" (801 mm) | 1.8% |
| 245/60R20 | 31.6" (802 mm) | 1.9% |
| 295/50R20 | 31.7" (804 mm) | 2.2% |
| 235/75R18 | 31.9" (809 mm) | 2.8% |
| 275/55R20 | 31.9" (810 mm) | 2.9% |