285/55R18 Tires
285/55R18 Conversion
When converted to inches, 285/55R18 is equivalent to 30.4x11.2R18.
285/55R18 tire has a section width of 11.2 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 6.2 inches (157 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 30.4 inches (771 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 95.5 inches (2420.9 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. 285/55R18 tire makes 663 revolutions per mile (413 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 771 mm | 30.4" |
| Tread Width | 285 mm | 11.2" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 157 mm | 6.2" |
| Circumference | 2420.9 mm | 95.5" |
| Revolutions | 413 per km | 663 per mile |
| Best Prices on 285/55R18 Tires | |
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 from $428.99 |
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 from $364.99 |
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285/55R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 285/55R18 tire can be replaced with 38 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 325/45R18 | 29.5" (749 mm) | -2.9% |
| 265/50R19 | 29.5" (749 mm) | -2.9% |
| 225/65R18 | 29.5" (749 mm) | -2.9% |
| 265/55R18 | 29.5" (749 mm) | -2.9% |
| 295/45R19 | 29.5" (749 mm) | -2.9% |
| 245/60R18 | 29.6" (751 mm) | -2.6% |
| 305/40R20 | 29.6" (752 mm) | -2.5% |
| 245/55R19 | 29.6" (753 mm) | -2.3% |
| 245/50R20 | 29.7" (754 mm) | -2.2% |
| 165/90R18 | 29.7" (755 mm) | -2.1% |
| 275/45R20 | 29.8" (756 mm) | -1.9% |
| 275/55R18 | 29.9" (759 mm) | -1.6% |
| 275/50R19 | 29.9" (759 mm) | -1.6% |
| 255/55R19 | 30" (763 mm) | -1% |
| 235/65R18 | 30" (763 mm) | -1% |
| 175/80R19 | 30" (763 mm) | -1% |
| 255/60R18 | 30" (763 mm) | -1% |
| 285/45R20 | 30.1" (764 mm) | -0.9% |
| 255/50R20 | 30.1" (764 mm) | -0.9% |
| 235/60R19 | 30.1" (765 mm) | -0.8% |
| 235/55R20 | 30.2" (766 mm) | -0.6% |
| 175/90R18 | 30.4" (773 mm) | 0.3% |
| 265/50R20 | 30.5" (774 mm) | 0.4% |
| 295/45R20 | 30.5" (774 mm) | 0.4% |
| 245/65R18 | 30.5" (775 mm) | 0.5% |
| 265/55R19 | 30.5" (775 mm) | 0.5% |
| 265/60R18 | 30.5" (775 mm) | 0.5% |
| 165/90R19 | 30.7" (781 mm) | 1.3% |
| 305/45R20 | 30.8" (782 mm) | 1.4% |
| 275/50R20 | 30.9" (784 mm) | 1.7% |
| 275/55R19 | 30.9" (785 mm) | 1.8% |
| 275/60R18 | 31" (787 mm) | 2.1% |
| 235/70R18 | 31" (787 mm) | 2.1% |
| 255/55R20 | 31" (788 mm) | 2.2% |
| 255/60R19 | 31.1" (789 mm) | 2.3% |
| 235/65R19 | 31.1" (789 mm) | 2.3% |
| 255/65R18 | 31.1" (789 mm) | 2.3% |
| 285/50R20 | 31.3" (794 mm) | 3% |