When converted to inches, 315/50R20 is equivalent to 32.4x12.4R20.
315/50R20 tire has a section width of 12.4 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 6.2 inches (158 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 32.4 inches (824 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 101.7 inches (2587.4 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. 315/50R20 tire makes 623 revolutions per mile (386 revolutions per kilometer).
Overall Diameter (Tire Height)
386 per km
623 per mile
Best Prices on 315/50R20 Tires
315/50R20 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 315/50R20 tire can be replaced with 25 compatible tire sizes. Select optional plus size to see its specs.