165/40R16 Tire Size in Inches

165/40R16 is a metric tire size representation, which defines that the tires have a width of 165 mm, 40 is the aspect ratio and a rim diameter of 16 inches. In the imperial system the tire size 165/40R16 equates to a 21.2×6.5R16 that is commonly used in the automotive industry. So Converting 165/40R16 in inches the tires have a length of 21.2 inches, a width of 6.5 inches, a sidewall height of 2.6 inches and The number of complete resolutions made by the corresponding tire size is equal to 951 per mile with a circumference of 66.6 inches.

165/40R16 tire size in inches

Tire Diameter21.2 inches538 mm
Tread Width6.5 inches165 mm
Rim Diameter16 inches406 mm
Sidewall Height2.6 inches66 mm
Circumference66.6 inches1689 mm
Revolutions951 per mile592 per km

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165/40R16 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 165/40R16 tires.

Tire Size Overall Diameter Difference
165/45R16 21.8″ (554 mm) 3%

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