When converted to inches, 165/45R15 is equivalent to 20.8x6.5R15.
165/45R15 tire has a section width of 6.5 inches which is the measurement of tire's width from its inner sidewall to its outer sidewall. Rim diameter of 15 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 2.9 inches (74 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 20.8 inches (529 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 65.3 inches (1661.1 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. 165/45R15 tire makes 970 revolutions per mile (602 revolutions per kilometer).
|Overall Diameter (Tire Height)
||602 per km
||970 per mile
165/45R15 Replacement Tire Sizes
Replacement tires have to be within 3% of the original tire's overall diameter. 165/45R15 tire can be replaced with 3 compatible tire sizes. Select optional plus size to see its specs.
||20.8" (529 mm)
||21.2" (538 mm)
||21.4" (543 mm)