165/55R14 in inches

How tall is a 165 55R14 tire?

When converted to inches, the equivalent of a 165/55R14 tire size is 21.2x6.5R14. It means that:

  • height overall (or diameter) is 21.2 inches
  • tread width is 6.5 inches
  • wheel diameter is 14 inches

Learn more

165/55R14 tire size in inches
165/55R14 tire size chart

165/55R14 tire size in inches

165/55R14 Height / overall diameter: 21.2 inches
Height / overall diameter
21.2 inches
165/55R14 Tread width: 6.5 inches
Tread width
6.5 inches
165/55R14 Sidewall: 3.6 inches
Sidewall
3.6 inches
165/55R14 Wheel diameter: 14 inches
Wheel diameter
14 inches
165/55R14 Circumference: 66.6 inches
Circumference
66.6 inches
165/55R14 Revolutions: 953 per mile
Revolutions
953 per mile

165/55R14 — what does it mean?

  • 165 stands for tread width in millimeters
  • 55 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 14 is a wheel diameter (or rim) in inches

165/55R14 tire code
165/55R14 tire code

How to convert 165 55R14 to inches?

First of all, we need to divide 165 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 6.5″. Then, 55% of the 6.5″ will result in 3.6″ sidewall.

To get the total height or tire diameter, we need to sum the 14″ rim diameter with two of the sidewall heights. It will result in a 21.2″ total tire diameter (or height).

For your convenience, below is a table for 165/55R14 conversion to inches:

Inches Metric
Overall diameter (height) 21.2″ 538 mm
Tread width 6.5″ 165 mm
Wheel diameter 14″ 538 mm
Sidewall height 3.6″ 91 mm
Circumference 66.6″ 1689 mm
Revolutions 953 / ml 592 / km

Alternatives to a 165/55R14 tire

If you're looking to upsize your 165 55R14 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
125/70R14 21″ -0.23% 4.9″ 14″
145/65R14 21.4″ 0.28% 5.7″ 14″
155/55R14 20.6″ -0.71% 6.1″ 14″
165/60R14 21.8″ 0.73% 6.5″ 14″
175/50R14 21″ -0.23% 6.9″ 14″
185/50R14 21.4″ 0.28% 7.3″ 14″
195/45R14 21″ -0.23% 7.7″ 14″
205/45R14 21.2″ 0% 8.1″ 14″
215/40R14 20.8″ -0.47% 8.5″ 14″
225/40R14 21″ -0.23% 8.9″ 14″