275/55R18 in Inches

Tire size 275/55R18 refers to the tire size in numbers and letters such as the first number “275” indicates the tire width in millimeters, the second number “55” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A 275/55R18 tire in inches can be described as a tire with a width of about 10.8 inches, a sidewall height of about 5.9 inches, and it fits on a 18-inch wheel.

Converting 275/55R18 in Inches

275/55R18 inches mm
Tire Diameter 29.9 inches 759 mm
Tread Width 10.8 inches 275 mm
Rim Diameter 18 inches 457 mm
Sidewall Height 5.9 inches 151 mm
Circumference 93.9 inches 2383 mm
Revolutions 675 per mile 420 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

275/55R18 Alternate Tire Size

Tire Size Overall Diameter Difference
155/90R18 29″ (737 mm) -2.9%
255/55R18 29″ (737 mm) -2.9%
175/80R18 29″ (737 mm) -2.9%
255/45R20 29.1″ (738 mm) -2.8%
235/60R18 29.1″ (739 mm) -2.6%
255/50R19 29.1″ (739 mm) -2.6%
285/45R19 29.1″ (739 mm) -2.6%
145/80R20 29.1″ (740 mm) -2.5%
235/55R19 29.2″ (741 mm) -2.4%
285/50R18 29.3″ (743 mm) -2.1%
235/50R20 29.3″ (744 mm) -2%
295/40R20 29.3″ (744 mm) -2%
265/45R20 29.4″ (746 mm) -1.7%
295/45R19 29.5″ (749 mm) -1.3%
265/55R18 29.5″ (749 mm) -1.3%
265/50R19 29.5″ (749 mm) -1.3%
325/45R18 29.5″ (749 mm) -1.3%
225/65R18 29.5″ (749 mm) -1.3%
245/60R18 29.6″ (751 mm) -1.1%
305/40R20 29.6″ (752 mm) -0.9%
245/55R19 29.6″ (753 mm) -0.8%
245/50R20 29.7″ (754 mm) -0.7%
165/90R18 29.7″ (755 mm) -0.5%
275/45R20 29.8″ (756 mm) -0.4%
275/50R19 29.9″ (759 mm) 0%
255/60R18 30″ (763 mm) 0.5%
175/80R19 30″ (763 mm) 0.5%
235/65R18 30″ (763 mm) 0.5%
255/55R19 30″ (763 mm) 0.5%
255/50R20 30.1″ (764 mm) 0.7%
285/45R20 30.1″ (764 mm) 0.7%
235/60R19 30.1″ (765 mm) 0.8%
235/55R20 30.2″ (766 mm) 0.9%
285/55R18 30.4″ (771 mm) 1.6%
175/90R18 30.4″ (773 mm) 1.8%
265/50R20 30.5″ (774 mm) 2%
295/45R20 30.5″ (774 mm) 2%
245/65R18 30.5″ (775 mm) 2.1%
265/60R18 30.5″ (775 mm) 2.1%
265/55R19 30.5″ (775 mm) 2.1%
165/90R19 30.7″ (781 mm) 2.9%

Leave a Comment