165/45R15 Tires

165/45R15 Conversion

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).

165/45R15 Section Width
165/45R15 Tire Side
Tire Circumference
970 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 529 mm 20.8"
Tread Width 165 mm 6.5"
Rim Diameter 381 mm 15"
Sidewall Height 74 mm 2.9"
Circumference 1661.1 mm 65.3"
Revolutions 602 per km 970 per mile
Best Prices on 165/45R15 Tires

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.

Tire Size Overall Diameter Difference
105/70R15 20.8" (529 mm) 0%
165/40R16 21.2" (538 mm) 1.7%
115/70R15 21.4" (543 mm) 2.6%