305/60R20 Conversion

When converted to inches, 305/60R20 is equivalent to 34.4x12R20.

305/60R20 tire has a section width of 12 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 7.2 inches (183 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 34.4 inches (874 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 108 inches (2744.4 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. 305/60R20 tire makes 587 revolutions per mile (364 revolutions per kilometer).

305/60R20 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 305/60R20 tire can be replaced with 19 compatible tire sizes. Select optional plus size to see its specs.

Tire Size	Overall Diameter	Difference
285/60R20	33.5" (850 mm)	-2.7%
325/45R22	33.5" (851 mm)	-2.6%
295/50R22	33.7" (855 mm)	-2.2%
275/55R22	33.9" (861 mm)	-1.5%
295/60R20	33.9" (862 mm)	-1.4%
355/50R20	34" (864 mm)	-1.1%
305/50R22	34.1" (865 mm)	-1%
275/65R20	34.1" (866 mm)	-0.9%
285/55R22	34.4" (873 mm)	-0.1%
315/50R22	34.4" (875 mm)	0.1%
335/55R20	34.5" (876 mm)	0.2%
285/65R20	34.6" (878 mm)	0.5%
295/55R22	34.8" (883 mm)	1%
325/50R22	34.8" (885 mm)	1.3%
315/60R20	34.9" (886 mm)	1.4%
295/65R20	35.1" (892 mm)	2.1%
305/55R22	35.2" (895 mm)	2.4%
375/45R22	35.3" (897 mm)	2.6%
325/60R20	35.4" (898 mm)	2.7%