285/45R20 Tires

285/45R20 Conversion

When converted to inches, 285/45R20 is equivalent to 30.1x11.2R20.

285/45R20 tire has a section width of 11.2 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 inches (128 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 30.1 inches (764 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 94.5 inches (2399 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. 285/45R20 tire makes 670 revolutions per mile (417 revolutions per kilometer).

285/45R20 Section Width
11.2"
30.1"
285/45R20 Tire Side
Tire Circumference
94.5"
20"
5"
670 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 764 mm 30.1"
Tread Width 285 mm 11.2"
Rim Diameter 508 mm 20"
Sidewall Height 128 mm 5"
Circumference 2399 mm 94.5"
Revolutions 417 per km 670 per mile

285/45R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 285/45R20 tire can be replaced with 35 compatible tire sizes. Select optional plus size to see its specs.

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%