255/55R20 in Inches

Tire size 255/55R20 refers to the tire size in numbers and letters such as the first number “255” indicates the tire width in millimeters, the second number “55” indicates the aspect ratio of the tire and the last number indicates the diameter of the tire. A 255/55R20 tire in inches can be described as a tire with a width of about 10 inches, a sidewall height of about 5.5 inches, and it fits on a 20-inch wheel.

Converting 255/55R20 in Inches

255/55R20 inches mm
Tire Diameter 31 inches 788 mm
Tread Width 10 inches 255 mm
Rim Diameter 20 inches 508 mm
Sidewall Height 5.5 inches 140 mm
Circumference 97.3 inches 2474 mm
Revolutions 651 per mile 404 per km

Tire Size Calculator

The Tire Size Calculator is a convenient online tool that helps determine the correct tire dimensions for a vehicle, ensuring optimal performance and compatibility.

Tire Diameter
Tread Width
Rim Diameter
Sidewall Height
Circumference
Revolutions

255/55R20 Alternate Tire Size

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%

Leave a Comment