165/40R16 Tires

165/40R16 Conversion

When converted to inches, 165/40R16 is equivalent to 21.2x6.5R16.

165/40R16 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 16 inches represents the size of the wheel the tire can be mounted on. Sidewall height of 2.6 inches (66 mm) is the measurement from the wheel rim to top of the tire tread. Overall diameter of 21.2 inches (538 mm) reflects the outer diameter of the tire and stands for tire height. Circumference of 66.6 inches (1689.3 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. 165/40R16 tire makes 951 revolutions per mile (592 revolutions per kilometer).

165/40R16 Section Width
6.5"
21.2"
165/40R16 Tire Side
Tire Circumference
66.6"
16"
2.6"
951 Revs/Mile
Metric Inches
Overall Diameter (Tire Height) 538 mm 21.2"
Tread Width 165 mm 6.5"
Rim Diameter 406.4 mm 16"
Sidewall Height 66 mm 2.6"
Circumference 1689.3 mm 66.6"
Revolutions 592 per km 951 per mile

165/40R16 Replacement Tire Sizes

Replacement tires have to be within 3% of the original tire's overall diameter. 165/40R16 tire can be replaced with 1 compatible tire size. Select optional plus size to see its specs.

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