285/50R18 in Inches

Tire size 285/50R18 refers to the tire size in numbers and letters such as the first number “285” indicates the tire width in millimeters, the second number “50” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A 285/50R18 tire in inches can be described as a tire with a width of about 11.2 inches, a sidewall height of about 5.6 inches, and it fits on a 18-inch wheel.

Converting 285/50R18 in Inches

285/50R18 inches mm
Tire Diameter 29.3 inches 743 mm
Tread Width 11.2 inches 285 mm
Rim Diameter 18 inches 457 mm
Sidewall Height 5.6 inches 143 mm
Circumference 92 inches 2333 mm
Revolutions 689 per mile 429 per km

Tire Size Calculator

The Tire Size Calculator is a convenient online tool that helps determine the correct tire dimensions for a vehicle, ensuring optimal performance and compatibility.

Tire Diameter
Tread Width
Rim Diameter
Sidewall Height
Circumference
Revolutions

285/50R18 Alternate Tire Size

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%

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