255/55R20 Tires
255/55R20 Conversion
When converted to inches, 255/55R20 is equivalent to 31x10R20.
255/55R20 tire has a section width of 10 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 20 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 5.5 inches (140 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 31 inches (788 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 97.3 inches (2474.3 mm) is the outer perimeter of the tire. Tire revolutions indicate the number of times a tire revolves while it covers the distance in miles or kilometers. 255/55R20 tire makes 651 revolutions per mile (404 revolutions per kilometer).



Metric | Inches | |
---|---|---|
Overall Diameter (Tire Height) | 788 mm | 31" |
Tread Width | 255 mm | 10" |
Rim Diameter | 508 mm | 20" |
Sidewall Height | 140 mm | 5.5" |
Circumference | 2474.3 mm | 97.3" |
Revolutions | 404 per km | 651 per mile |
Best Prices on 255/55R20 Tires | |
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255/55R20 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 255/55R20 tire can be replaced with 29 compatible tire sizes. Select optional plus size to see its specs.
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% |