285/55R20 Tire Size in Inches

285/55R20 is a metric tire size representation, which defines that the tires have a width of 285 mm, 55 is the aspect ratio and a rim diameter of 20 inches. In the imperial system the tire size 285/55R20 equates to a 32.4×11.2R20 that is commonly used in the automotive industry. So Converting 285/55R20 in inches the tires have a length of 32.4 inches, a width of 11.2 inches, a sidewall height of 6.2 inches and The number of complete resolutions made by the corresponding tire size is equal to 623 per mile with a circumference of 101.7 inches.

285/55R20 tire size in inches

285/55R20inchesmm
Tire Diameter32.4 inches822 mm
Tread Width11.2 inches285 mm
Rim Diameter20 inches508 mm
Sidewall Height6.2 inches157 mm
Circumference101.7 inches2581 mm
Revolutions623 per mile387 per km

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285/55R20 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 285/55R20 tires.

Tire Size Overall Diameter Difference
245/60R20 31.6″ (802 mm) -2.4%
305/40R22 31.6″ (803 mm) -2.3%
295/50R20 31.7″ (804 mm) -2.2%
275/45R22 31.8″ (807 mm) -1.8%
275/50R21 31.9″ (809 mm) -1.6%
275/55R20 31.9″ (810 mm) -1.5%
255/60R20 32″ (814 mm) -1%
305/50R20 32″ (814 mm) -1%
285/45R22 32.1″ (815 mm) -0.9%
315/45R21 32.2″ (817 mm) -0.6%
325/40R22 32.2″ (819 mm) -0.4%
315/50R20 32.4″ (824 mm) 0.2%
295/45R22 32.5″ (825 mm) 0.4%
265/50R22 32.5″ (825 mm) 0.4%
265/60R20 32.5″ (826 mm) 0.5%
295/55R20 32.8″ (832 mm) 1.2%
305/45R22 32.8″ (833 mm) 1.3%
325/50R20 32.8″ (834 mm) 1.5%
275/50R22 32.9″ (835 mm) 1.6%
275/60R20 33″ (838 mm) 1.9%
315/45R22 33.2″ (843 mm) 2.6%
355/40R22 33.2″ (843 mm) 2.6%
305/55R20 33.2″ (844 mm) 2.7%
285/50R22 33.3″ (845 mm) 2.8%
375/45R20 33.3″ (846 mm) 2.9%

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