165/90R18 Tires
165/90R18 Conversion
When converted to inches, 165/90R18 is equivalent to 29.7x6.5R18.
165/90R18 tire has a section width of 6.5 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 5.9 inches (149 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 29.7 inches (755 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 93.3 inches (2370.7 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. 165/90R18 tire makes 679 revolutions per mile (422 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 755 mm | 29.7" |
| Tread Width | 165 mm | 6.5" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 149 mm | 5.9" |
| Circumference | 2370.7 mm | 93.3" |
| Revolutions | 422 per km | 679 per mile |
| Best Prices on 165/90R18 Tires | |
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165/90R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 165/90R18 tire can be replaced with 44 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 275/50R18 | 28.9" (733 mm) | -2.9% |
| 315/40R19 | 28.9" (735 mm) | -2.6% |
| 325/35R20 | 29" (736 mm) | -2.5% |
| 285/40R20 | 29" (736 mm) | -2.5% |
| 155/90R18 | 29" (737 mm) | -2.4% |
| 175/80R18 | 29" (737 mm) | -2.4% |
| 255/55R18 | 29" (737 mm) | -2.4% |
| 255/45R20 | 29.1" (738 mm) | -2.3% |
| 235/60R18 | 29.1" (739 mm) | -2.1% |
| 255/50R19 | 29.1" (739 mm) | -2.1% |
| 285/45R19 | 29.1" (739 mm) | -2.1% |
| 145/80R20 | 29.1" (740 mm) | -2% |
| 235/55R19 | 29.2" (741 mm) | -1.9% |
| 285/50R18 | 29.3" (743 mm) | -1.6% |
| 295/40R20 | 29.3" (744 mm) | -1.5% |
| 235/50R20 | 29.3" (744 mm) | -1.5% |
| 265/45R20 | 29.4" (746 mm) | -1.2% |
| 295/45R19 | 29.5" (749 mm) | -0.8% |
| 265/55R18 | 29.5" (749 mm) | -0.8% |
| 325/45R18 | 29.5" (749 mm) | -0.8% |
| 265/50R19 | 29.5" (749 mm) | -0.8% |
| 225/65R18 | 29.5" (749 mm) | -0.8% |
| 245/60R18 | 29.6" (751 mm) | -0.5% |
| 305/40R20 | 29.6" (752 mm) | -0.4% |
| 245/55R19 | 29.6" (753 mm) | -0.3% |
| 245/50R20 | 29.7" (754 mm) | -0.1% |
| 275/45R20 | 29.8" (756 mm) | 0.1% |
| 275/55R18 | 29.9" (759 mm) | 0.5% |
| 275/50R19 | 29.9" (759 mm) | 0.5% |
| 235/65R18 | 30" (763 mm) | 1.1% |
| 255/60R18 | 30" (763 mm) | 1.1% |
| 175/80R19 | 30" (763 mm) | 1.1% |
| 255/55R19 | 30" (763 mm) | 1.1% |
| 285/45R20 | 30.1" (764 mm) | 1.2% |
| 255/50R20 | 30.1" (764 mm) | 1.2% |
| 235/60R19 | 30.1" (765 mm) | 1.3% |
| 235/55R20 | 30.2" (766 mm) | 1.5% |
| 285/55R18 | 30.4" (771 mm) | 2.1% |
| 175/90R18 | 30.4" (773 mm) | 2.4% |
| 295/45R20 | 30.5" (774 mm) | 2.5% |
| 265/50R20 | 30.5" (774 mm) | 2.5% |
| 265/55R19 | 30.5" (775 mm) | 2.6% |
| 265/60R18 | 30.5" (775 mm) | 2.6% |
| 245/65R18 | 30.5" (775 mm) | 2.6% |