285/45R20 Tire Size in Inches

285/45R20 is a metric tire size representation, which defines that the tires have a width of 285 mm, 45 is the aspect ratio and a rim diameter of 20 inches. In the imperial system the tire size 285/45R20 equates to a 30.1×11.2R20 that is commonly used in the automotive industry. So Converting 285/45R20 in inches the tires have a length of 30.1 inches, a width of 11.2 inches, a sidewall height of 5 inches and The number of complete resolutions made by the corresponding tire size is equal to 670 per mile with a circumference of 94.5 inches.

285/45R20 tire size in inches

285/45R20inchesmm
Tire Diameter30.1 inches764 mm
Tread Width11.2 inches285 mm
Rim Diameter20 inches508 mm
Sidewall Height5 inches128 mm
Circumference94.5 inches2399 mm
Revolutions670 per mile417 per km

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285/45R20 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 285/45R20 tires.

Tire Size Overall Diameter Difference
305/30R22 29.3″ (743 mm) -2.7%
235/50R20 29.3″ (744 mm) -2.6%
295/40R20 29.3″ (744 mm) -2.6%
235/45R21 29.3″ (745 mm) -2.5%
265/40R21 29.3″ (745 mm) -2.5%
265/35R22 29.3″ (745 mm) -2.5%
265/45R20 29.4″ (746 mm) -2.4%
305/35R21 29.4″ (747 mm) -2.2%
315/30R22 29.5″ (749 mm) -2%
275/35R22 29.6″ (751 mm) -1.7%
305/40R20 29.6″ (752 mm) -1.6%
245/45R21 29.6″ (753 mm) -1.4%
315/35R21 29.6″ (753 mm) -1.4%
275/40R21 29.6″ (753 mm) -1.4%
245/50R20 29.7″ (754 mm) -1.3%
275/45R20 29.8″ (756 mm) -1%
285/35R22 29.9″ (759 mm) -0.7%
285/40R21 30″ (761 mm) -0.4%
255/45R21 30″ (763 mm) -0.1%
255/40R22 30″ (763 mm) -0.1%
255/50R20 30.1″ (764 mm) 0%
295/35R22 30.1″ (765 mm) 0.1%
235/55R20 30.2″ (766 mm) 0.3%
295/40R21 30.3″ (769 mm) 0.7%
265/40R22 30.4″ (771 mm) 0.9%
265/45R21 30.4″ (771 mm) 0.9%
305/35R22 30.4″ (773 mm) 1.2%
265/50R20 30.5″ (774 mm) 1.3%
295/45R20 30.5″ (774 mm) 1.3%
315/35R22 30.7″ (779 mm) 2%
275/40R22 30.7″ (779 mm) 2%
275/45R21 30.7″ (781 mm) 2.2%
305/45R20 30.8″ (782 mm) 2.4%
275/50R20 30.9″ (784 mm) 2.6%
315/40R21 30.9″ (785 mm) 2.7%

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