When converted to inches, 315/25R20 is equivalent to 26.2x12.4R20.
315/25R20 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 3.1 inches (79 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 26.2 inches (666 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 82.3 inches (2091.2 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. 315/25R20 tire makes 770 revolutions per mile (478 revolutions per kilometer).
Overall Diameter (Tire Height)
478 per km
770 per mile
Best Prices on 315/25R20 Tires
315/25R20 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 315/25R20 tire can be replaced with 22 compatible tire sizes. Select optional plus size to see its specs.