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285/65R18 Tire Size in Inches

285/65R18 is a metric tire size representation, which defines that the tires have a width of 285 mm, 65 is the aspect ratio and a rim diameter of 18 inches. In the imperial system the tire size 285/65R18 equates to a 32.6×11.2R18 that is commonly used in the automotive industry. So Converting 285/65R18 in inches the tires have a length of 32.6 inches, a width of 11.2 inches, a sidewall height of 7.3 inches and The number of complete resolutions made by the corresponding tire size is equal to 619 per mile with a circumference of 102.4 inches.

285/65R18 tire size in inches

285/65R18inchesmm
Tire Diameter32.6 inches827 mm
Tread Width11.2 inches285 mm
Rim Diameter18 inches457 mm
Sidewall Height7.3 inches185 mm
Circumference102.4 inches2597 mm
Revolutions619 per mile385 per km

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285/65R18 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 285/65R18 tires.

Tire Size Overall Diameter Difference
295/50R20 31.7″ (804 mm) -2.8%
235/75R18 31.9″ (809 mm) -2.2%
275/55R20 31.9″ (810 mm) -2.1%
225/70R19.5 31.9″ (811 mm) -1.9%
305/50R20 32″ (814 mm) -1.6%
255/60R20 32″ (814 mm) -1.6%
255/70R18 32.1″ (815 mm) -1.5%
255/65R19 32.1″ (815 mm) -1.5%
275/65R18 32.1″ (815 mm) -1.5%
285/55R20 32.4″ (822 mm) -0.6%
305/60R18 32.4″ (823 mm) -0.5%
315/50R20 32.4″ (824 mm) -0.4%
265/60R20 32.5″ (826 mm) -0.1%
265/70R18 32.6″ (829 mm) 0.2%
295/55R20 32.8″ (832 mm) 0.6%
375/50R18 32.8″ (833 mm) 0.7%
325/50R20 32.8″ (834 mm) 0.8%
275/60R20 33″ (838 mm) 1.3%
245/70R19.5 33″ (839 mm) 1.5%
295/65R18 33.1″ (841 mm) 1.7%
275/70R18 33.2″ (843 mm) 1.9%
305/55R20 33.2″ (844 mm) 2.1%
375/45R20 33.3″ (846 mm) 2.3%
325/60R18 33.3″ (847 mm) 2.4%
285/60R20 33.5″ (850 mm) 2.8%

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