285/50R18 Tires

285/50R18 Conversion

When converted to inches, 285/50R18 is equivalent to 29.3x11.2R18.

285/50R18 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 5.6 inches (143 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 29.3 inches (743 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 92 inches (2333 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. 285/50R18 tire makes 689 revolutions per mile (429 revolutions per kilometer).

285/50R18 Section Width
11.2"
29.3"
285/50R18 Tire Side
Tire Circumference
92"
18"
5.6"
689 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 743 mm 29.3"
Tread Width 285 mm 11.2"
Rim Diameter 457.2 mm 18"
Sidewall Height 143 mm 5.6"
Circumference 2333 mm 92"
Revolutions 429 per km 689 per mile

285/50R18 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 285/50R18 tire can be replaced with 52 compatible tire sizes. Select optional plus size to see its specs.

Tire Size Overall Diameter Difference
265/45R19 28.4" (721 mm) -3%
155/85R18 28.4" (721 mm) -3%
305/35R20 28.4" (722 mm) -2.8%
265/50R18 28.5" (723 mm) -2.7%
295/45R18 28.5" (723 mm) -2.7%
345/35R19 28.5" (725 mm) -2.4%
245/55R18 28.6" (727 mm) -2.2%
225/60R18 28.6" (727 mm) -2.2%
275/40R20 28.7" (728 mm) -2%
245/45R20 28.7" (728 mm) -2%
315/35R20 28.7" (728 mm) -2%
245/50R19 28.7" (729 mm) -1.9%
305/45R18 28.8" (731 mm) -1.6%
225/55R19 28.8" (731 mm) -1.6%
275/45R19 28.8" (731 mm) -1.6%
155/80R19 28.8" (731 mm) -1.6%
275/50R18 28.9" (733 mm) -1.3%
315/40R19 28.9" (735 mm) -1.1%
325/35R20 29" (736 mm) -0.9%
285/40R20 29" (736 mm) -0.9%
255/55R18 29" (737 mm) -0.8%
175/80R18 29" (737 mm) -0.8%
155/90R18 29" (737 mm) -0.8%
255/45R20 29.1" (738 mm) -0.7%
255/50R19 29.1" (739 mm) -0.5%
285/45R19 29.1" (739 mm) -0.5%
235/60R18 29.1" (739 mm) -0.5%
145/80R20 29.1" (740 mm) -0.4%
235/55R19 29.2" (741 mm) -0.3%
295/40R20 29.3" (744 mm) 0.1%
235/50R20 29.3" (744 mm) 0.1%
265/45R20 29.4" (746 mm) 0.4%
265/55R18 29.5" (749 mm) 0.8%
225/65R18 29.5" (749 mm) 0.8%
265/50R19 29.5" (749 mm) 0.8%
325/45R18 29.5" (749 mm) 0.8%
295/45R19 29.5" (749 mm) 0.8%
245/60R18 29.6" (751 mm) 1.1%
305/40R20 29.6" (752 mm) 1.2%
245/55R19 29.6" (753 mm) 1.3%
245/50R20 29.7" (754 mm) 1.5%
165/90R18 29.7" (755 mm) 1.6%
275/45R20 29.8" (756 mm) 1.7%
275/55R18 29.9" (759 mm) 2.2%
275/50R19 29.9" (759 mm) 2.2%
175/80R19 30" (763 mm) 2.7%
255/60R18 30" (763 mm) 2.7%
255/55R19 30" (763 mm) 2.7%
235/65R18 30" (763 mm) 2.7%
285/45R20 30.1" (764 mm) 2.8%
255/50R20 30.1" (764 mm) 2.8%
235/60R19 30.1" (765 mm) 3%