165/45R15 Tire Size in Inches

165/45R15 is a metric tire size representation, which defines that the tires have a width of 165 mm, 45 is the aspect ratio and a rim diameter of 15 inches. In the imperial system the tire size 165/45R15 equates to a 20.8×6.5R15 that is commonly used in the automotive industry. So Converting 165/45R15 in inches the tires have a length of 20.8 inches, a width of 6.5 inches, a sidewall height of 2.9 inches and The number of complete resolutions made by the corresponding tire size is equal to 970 per mile with a circumference of 65.3 inches.

165/45R15 tire size in inches

Tire Diameter20.8 inches529 mm
Tread Width6.5 inches165 mm
Rim Diameter15 inches381 mm
Sidewall Height2.9 inches74 mm
Circumference65.3 inches1661 mm
Revolutions970 per mile602 per km

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165/45R15 Equivalent Tire Sizes for replacement

If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 165/45R15 tires.

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%

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