235/65R18 Tire Size in Inches

235/65R18 is a metric tire size representation, which defines that the tires have a width of 235 mm, 65 is the aspect ratio and a rim diameter of 18 inches. In the imperial system the tire size 235/65R18 equates to a 30×9.3R18 that is commonly used in the automotive industry. So Converting 235/65R18 in inches the tires have a length of 30 inches, a width of 9.3 inches, a sidewall height of 6 inches and The number of complete resolutions made by the corresponding tire size is equal to 673 per mile with a circumference of 94.2 inches.

235/65R18 tire size in inches

235/65R18inchesmm
Tire Diameter30 inches763 mm
Tread Width9.3 inches235 mm
Rim Diameter18 inches457 mm
Sidewall Height6 inches153 mm
Circumference94.2 inches2396 mm
Revolutions673 per mile417 per km

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235/65R18 Equivalent Tire Sizes for replacement

If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 235/65R18 tires.

Tire Size Overall Diameter Difference
235/55R19 29.2″ (741 mm) -2.9%
285/50R18 29.3″ (743 mm) -2.6%
295/40R20 29.3″ (744 mm) -2.5%
235/50R20 29.3″ (744 mm) -2.5%
265/45R20 29.4″ (746 mm) -2.2%
225/65R18 29.5″ (749 mm) -1.8%
265/50R19 29.5″ (749 mm) -1.8%
325/45R18 29.5″ (749 mm) -1.8%
265/55R18 29.5″ (749 mm) -1.8%
295/45R19 29.5″ (749 mm) -1.8%
245/60R18 29.6″ (751 mm) -1.6%
305/40R20 29.6″ (752 mm) -1.4%
245/55R19 29.6″ (753 mm) -1.3%
245/50R20 29.7″ (754 mm) -1.2%
165/90R18 29.7″ (755 mm) -1%
275/45R20 29.8″ (756 mm) -0.9%
275/55R18 29.9″ (759 mm) -0.5%
275/50R19 29.9″ (759 mm) -0.5%
175/80R19 30″ (763 mm) 0%
255/60R18 30″ (763 mm) 0%
255/55R19 30″ (763 mm) 0%
255/50R20 30.1″ (764 mm) 0.1%
285/45R20 30.1″ (764 mm) 0.1%
235/60R19 30.1″ (765 mm) 0.3%
235/55R20 30.2″ (766 mm) 0.4%
285/55R18 30.4″ (771 mm) 1%
175/90R18 30.4″ (773 mm) 1.3%
295/45R20 30.5″ (774 mm) 1.4%
265/50R20 30.5″ (774 mm) 1.4%
245/65R18 30.5″ (775 mm) 1.6%
265/60R18 30.5″ (775 mm) 1.6%
265/55R19 30.5″ (775 mm) 1.6%
165/90R19 30.7″ (781 mm) 2.4%
305/45R20 30.8″ (782 mm) 2.5%
275/50R20 30.9″ (784 mm) 2.8%
275/55R19 30.9″ (785 mm) 2.9%

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