255/55R20 in inches

255/55R20 Tire Size in Inches

255/55R20 is a metric tire size representation, which defines that the tires have a width of 255 mm, 55 is the aspect ratio and a rim diameter of 20 inches. In the imperial system the tire size 255/55R20 equates to a 31×10R20 that is commonly used in the automotive industry. So Converting 255/55R20 in inches the tires have a length of 31 inches, a width of 10 inches, a sidewall height of 5.5 inches and The number of complete resolutions made by the corresponding tire size is equal to 651 per mile with a circumference of 97.3 inches.

255/55R20 tire size in inches

255/55R20inchesmm
Tire Diameter31 inches788 mm
Tread Width10 inches255 mm
Rim Diameter20 inches508 mm
Sidewall Height5.5 inches140 mm
Circumference97.3 inches2474 mm
Revolutions651 per mile404 per km

Tire Size Calculator

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255/55R20 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 255/55R20 tires.

Tire Size Overall Diameter Difference
295/35R22 30.1″ (765 mm) -2.9%
235/55R20 30.2″ (766 mm) -2.8%
295/40R21 30.3″ (769 mm) -2.4%
265/40R22 30.4″ (771 mm) -2.2%
265/45R21 30.4″ (771 mm) -2.2%
305/35R22 30.4″ (773 mm) -1.9%
265/50R20 30.5″ (774 mm) -1.8%
295/45R20 30.5″ (774 mm) -1.8%
275/40R22 30.7″ (779 mm) -1.1%
315/35R22 30.7″ (779 mm) -1.1%
275/45R21 30.7″ (781 mm) -0.9%
305/45R20 30.8″ (782 mm) -0.8%
275/50R20 30.9″ (784 mm) -0.5%
315/40R21 30.9″ (785 mm) -0.4%
325/35R22 31″ (787 mm) -0.1%
285/40R22 31″ (787 mm) -0.1%
285/45R21 31.1″ (789 mm) 0.1%
255/45R22 31.1″ (789 mm) 0.1%
255/50R21 31.1″ (789 mm) 0.1%
325/40R21 31.2″ (793 mm) 0.6%
285/50R20 31.3″ (794 mm) 0.8%
295/40R22 31.3″ (795 mm) 0.9%
265/45R22 31.4″ (797 mm) 1.1%
245/60R20 31.6″ (802 mm) 1.8%
305/40R22 31.6″ (803 mm) 1.9%
295/50R20 31.7″ (804 mm) 2%
275/45R22 31.8″ (807 mm) 2.4%
275/50R21 31.9″ (809 mm) 2.7%
275/55R20 31.9″ (810 mm) 2.8%

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