305/60R20 Tires

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 Section Width
12"
34.4"
305/60R20 Tire Side
Tire Circumference
108"
20"
7.2"
587 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 874 mm 34.4"
Tread Width 305 mm 12"
Rim Diameter 508 mm 20"
Sidewall Height 183 mm 7.2"
Circumference 2744.4 mm 108"
Revolutions 364 per km 587 per mile

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%