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).
Overall Diameter (Tire Height)
364 per km
587 per mile
Best Prices on 305/60R20 Tires
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.