175/80R18 Tires
175/80R18 Conversion
When converted to inches, 175/80R18 is equivalent to 29x6.9R18.
175/80R18 tire has a section width of 6.9 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 5.5 inches (140 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 29 inches (737 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 91.1 inches (2314.2 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. 175/80R18 tire makes 695 revolutions per mile (432 revolutions per kilometer).
| Metric | Inches | |
|---|---|---|
| Overall Diameter (Tire Height) | 737 mm | 29" |
| Tread Width | 175 mm | 6.9" |
| Rim Diameter | 457.2 mm | 18" |
| Sidewall Height | 140 mm | 5.5" |
| Circumference | 2314.2 mm | 91.1" |
| Revolutions | 432 per km | 695 per mile |
| Best Prices on 175/80R18 Tires | |
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175/80R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 175/80R18 tire can be replaced with 52 compatible tire sizes. Select optional plus size to see its specs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 145/80R19 | 28.1" (715 mm) | -3% |
| 235/55R18 | 28.1" (715 mm) | -3% |
| 345/30R20 | 28.2" (716 mm) | -2.8% |
| 295/40R19 | 28.3" (719 mm) | -2.4% |
| 235/50R19 | 28.3" (719 mm) | -2.4% |
| 265/40R20 | 28.3" (720 mm) | -2.3% |
| 235/45R20 | 28.3" (720 mm) | -2.3% |
| 155/85R18 | 28.4" (721 mm) | -2.2% |
| 265/45R19 | 28.4" (721 mm) | -2.2% |
| 305/35R20 | 28.4" (722 mm) | -2% |
| 295/45R18 | 28.5" (723 mm) | -1.9% |
| 265/50R18 | 28.5" (723 mm) | -1.9% |
| 345/35R19 | 28.5" (725 mm) | -1.6% |
| 245/55R18 | 28.6" (727 mm) | -1.4% |
| 225/60R18 | 28.6" (727 mm) | -1.4% |
| 315/35R20 | 28.7" (728 mm) | -1.2% |
| 245/45R20 | 28.7" (728 mm) | -1.2% |
| 275/40R20 | 28.7" (728 mm) | -1.2% |
| 245/50R19 | 28.7" (729 mm) | -1.1% |
| 155/80R19 | 28.8" (731 mm) | -0.8% |
| 305/45R18 | 28.8" (731 mm) | -0.8% |
| 275/45R19 | 28.8" (731 mm) | -0.8% |
| 225/55R19 | 28.8" (731 mm) | -0.8% |
| 275/50R18 | 28.9" (733 mm) | -0.5% |
| 315/40R19 | 28.9" (735 mm) | -0.3% |
| 325/35R20 | 29" (736 mm) | -0.1% |
| 285/40R20 | 29" (736 mm) | -0.1% |
| 255/55R18 | 29" (737 mm) | 0% |
| 155/90R18 | 29" (737 mm) | 0% |
| 255/45R20 | 29.1" (738 mm) | 0.1% |
| 235/60R18 | 29.1" (739 mm) | 0.3% |
| 285/45R19 | 29.1" (739 mm) | 0.3% |
| 255/50R19 | 29.1" (739 mm) | 0.3% |
| 145/80R20 | 29.1" (740 mm) | 0.4% |
| 235/55R19 | 29.2" (741 mm) | 0.5% |
| 285/50R18 | 29.3" (743 mm) | 0.8% |
| 235/50R20 | 29.3" (744 mm) | 0.9% |
| 295/40R20 | 29.3" (744 mm) | 0.9% |
| 265/45R20 | 29.4" (746 mm) | 1.2% |
| 225/65R18 | 29.5" (749 mm) | 1.6% |
| 325/45R18 | 29.5" (749 mm) | 1.6% |
| 295/45R19 | 29.5" (749 mm) | 1.6% |
| 265/50R19 | 29.5" (749 mm) | 1.6% |
| 265/55R18 | 29.5" (749 mm) | 1.6% |
| 245/60R18 | 29.6" (751 mm) | 1.9% |
| 305/40R20 | 29.6" (752 mm) | 2% |
| 245/55R19 | 29.6" (753 mm) | 2.2% |
| 245/50R20 | 29.7" (754 mm) | 2.3% |
| 165/90R18 | 29.7" (755 mm) | 2.4% |
| 275/45R20 | 29.8" (756 mm) | 2.6% |
| 275/55R18 | 29.9" (759 mm) | 3% |
| 275/50R19 | 29.9" (759 mm) | 3% |