235/65R18 Tires
235/65R18 Conversion
When converted to inches, 235/65R18 is equivalent to 30x9.3R18.
235/65R18 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 inches (153 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 30 inches (763 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 94.2 inches (2395.8 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. 235/65R18 tire makes 673 revolutions per mile (417 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 763 mm | 30" |
| Tread Width | 235 mm | 9.3" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 153 mm | 6" |
| Circumference | 2395.8 mm | 94.2" |
| Revolutions | 417 per km | 673 per mile |
| Best Prices on 235/65R18 Tires | |
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 from $148.61 |
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 from $118.01 |
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 from $119.99 |
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 from $110.96 |
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235/65R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 235/65R18 tire can be replaced with 36 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 235/55R19 | 29.2" (741 mm) | -2.9% |
| 285/50R18 | 29.3" (743 mm) | -2.6% |
| 295/40R20 | 29.3" (744 mm) | -2.5% |
| 235/50R20 | 29.3" (744 mm) | -2.5% |
| 265/45R20 | 29.4" (746 mm) | -2.2% |
| 225/65R18 | 29.5" (749 mm) | -1.8% |
| 265/50R19 | 29.5" (749 mm) | -1.8% |
| 325/45R18 | 29.5" (749 mm) | -1.8% |
| 265/55R18 | 29.5" (749 mm) | -1.8% |
| 295/45R19 | 29.5" (749 mm) | -1.8% |
| 245/60R18 | 29.6" (751 mm) | -1.6% |
| 305/40R20 | 29.6" (752 mm) | -1.4% |
| 245/55R19 | 29.6" (753 mm) | -1.3% |
| 245/50R20 | 29.7" (754 mm) | -1.2% |
| 165/90R18 | 29.7" (755 mm) | -1% |
| 275/45R20 | 29.8" (756 mm) | -0.9% |
| 275/55R18 | 29.9" (759 mm) | -0.5% |
| 275/50R19 | 29.9" (759 mm) | -0.5% |
| 175/80R19 | 30" (763 mm) | 0% |
| 255/60R18 | 30" (763 mm) | 0% |
| 255/55R19 | 30" (763 mm) | 0% |
| 255/50R20 | 30.1" (764 mm) | 0.1% |
| 285/45R20 | 30.1" (764 mm) | 0.1% |
| 235/60R19 | 30.1" (765 mm) | 0.3% |
| 235/55R20 | 30.2" (766 mm) | 0.4% |
| 285/55R18 | 30.4" (771 mm) | 1% |
| 175/90R18 | 30.4" (773 mm) | 1.3% |
| 295/45R20 | 30.5" (774 mm) | 1.4% |
| 265/50R20 | 30.5" (774 mm) | 1.4% |
| 245/65R18 | 30.5" (775 mm) | 1.6% |
| 265/60R18 | 30.5" (775 mm) | 1.6% |
| 265/55R19 | 30.5" (775 mm) | 1.6% |
| 165/90R19 | 30.7" (781 mm) | 2.4% |
| 305/45R20 | 30.8" (782 mm) | 2.5% |
| 275/50R20 | 30.9" (784 mm) | 2.8% |
| 275/55R19 | 30.9" (785 mm) | 2.9% |