275/50R18 Tires
275/50R18 Conversion
When converted to inches, 275/50R18 is equivalent to 28.9x10.8R18.
275/50R18 tire has a section width of 10.8 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 5.4 inches (138 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 28.9 inches (733 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 90.7 inches (2301.6 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. 275/50R18 tire makes 699 revolutions per mile (434 revolutions per kilometer).



Metric | Inches | |
---|---|---|
Overall Diameter (Tire Height) | 733 mm | 28.9" |
Tread Width | 275 mm | 10.8" |
Rim Diameter | 457.2 mm | 18" |
Sidewall Height | 138 mm | 5.4" |
Circumference | 2301.6 mm | 90.7" |
Revolutions | 434 per km | 699 per mile |
Best Prices on 275/50R18 Tires | |
---|---|
![]() |
|
![]() |
275/50R18 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 275/50R18 tire can be replaced with 53 compatible tire sizes. Select optional plus size to see its specs.
Tire Size | Overall Diameter | Difference |
---|---|---|
255/40R20 | 28" (712 mm) | -2.9% |
255/45R19 | 28.1" (713 mm) | -2.7% |
255/50R18 | 28.1" (713 mm) | -2.7% |
285/45R18 | 28.1" (713 mm) | -2.7% |
295/35R20 | 28.1" (714 mm) | -2.6% |
145/80R19 | 28.1" (715 mm) | -2.5% |
235/55R18 | 28.1" (715 mm) | -2.5% |
345/30R20 | 28.2" (716 mm) | -2.3% |
295/40R19 | 28.3" (719 mm) | -1.9% |
235/50R19 | 28.3" (719 mm) | -1.9% |
265/40R20 | 28.3" (720 mm) | -1.8% |
235/45R20 | 28.3" (720 mm) | -1.8% |
155/85R18 | 28.4" (721 mm) | -1.6% |
265/45R19 | 28.4" (721 mm) | -1.6% |
305/35R20 | 28.4" (722 mm) | -1.5% |
265/50R18 | 28.5" (723 mm) | -1.4% |
295/45R18 | 28.5" (723 mm) | -1.4% |
345/35R19 | 28.5" (725 mm) | -1.1% |
245/55R18 | 28.6" (727 mm) | -0.8% |
225/60R18 | 28.6" (727 mm) | -0.8% |
315/35R20 | 28.7" (728 mm) | -0.7% |
275/40R20 | 28.7" (728 mm) | -0.7% |
245/45R20 | 28.7" (728 mm) | -0.7% |
245/50R19 | 28.7" (729 mm) | -0.5% |
275/45R19 | 28.8" (731 mm) | -0.3% |
305/45R18 | 28.8" (731 mm) | -0.3% |
155/80R19 | 28.8" (731 mm) | -0.3% |
225/55R19 | 28.8" (731 mm) | -0.3% |
315/40R19 | 28.9" (735 mm) | 0.3% |
285/40R20 | 29" (736 mm) | 0.4% |
325/35R20 | 29" (736 mm) | 0.4% |
255/55R18 | 29" (737 mm) | 0.5% |
155/90R18 | 29" (737 mm) | 0.5% |
175/80R18 | 29" (737 mm) | 0.5% |
255/45R20 | 29.1" (738 mm) | 0.7% |
255/50R19 | 29.1" (739 mm) | 0.8% |
285/45R19 | 29.1" (739 mm) | 0.8% |
235/60R18 | 29.1" (739 mm) | 0.8% |
145/80R20 | 29.1" (740 mm) | 1% |
235/55R19 | 29.2" (741 mm) | 1.1% |
285/50R18 | 29.3" (743 mm) | 1.4% |
295/40R20 | 29.3" (744 mm) | 1.5% |
235/50R20 | 29.3" (744 mm) | 1.5% |
265/45R20 | 29.4" (746 mm) | 1.8% |
295/45R19 | 29.5" (749 mm) | 2.2% |
225/65R18 | 29.5" (749 mm) | 2.2% |
325/45R18 | 29.5" (749 mm) | 2.2% |
265/55R18 | 29.5" (749 mm) | 2.2% |
265/50R19 | 29.5" (749 mm) | 2.2% |
245/60R18 | 29.6" (751 mm) | 2.5% |
305/40R20 | 29.6" (752 mm) | 2.6% |
245/55R19 | 29.6" (753 mm) | 2.7% |
245/50R20 | 29.7" (754 mm) | 2.9% |