P165/40R17 in inches

How tall is a P165 40R17 tire?

When converted to inches, the equivalent of a P165/40R17 tire size is 22.2x6.5R17. It means that:

  • height overall (or diameter) is 22.2 inches
  • tread width is 6.5 inches
  • wheel diameter is 17 inches

Learn more

P165/40R17 tire size in inches
P165/40R17 tire size chart

P165/40R17 tire size in inches

P165/40R17 Height / overall diameter: 22.2 inches
Height / overall diameter
22.2 inches
P165/40R17 Tread width: 6.5 inches
Tread width
6.5 inches
P165/40R17 Sidewall: 2.6 inches
2.6 inches
P165/40R17 Wheel diameter: 17 inches
Wheel diameter
17 inches
P165/40R17 Circumference: 69.7 inches
69.7 inches
P165/40R17 Revolutions: 909 per mile
909 per mile

P165/40R17 — what does it mean?

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

P165/40R17 tire code
P165/40R17 tire code

How to convert P165 40R17 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, 40% of the 6.5″ will result in 2.6″ sidewall.

To get the total height or tire diameter, we need to sum the 17″ rim diameter with two of the sidewall heights. It will result in a 22.2″ total tire diameter (or height).

For your convenience, below is a table for P165/40R17 conversion to inches:

Inches Metric
Overall diameter (height) 22.2″ 564 mm
Tread width 6.5″ 165 mm
Wheel diameter 17″ 564 mm
Sidewall height 2.6″ 66 mm
Circumference 69.7″ 1771 mm
Revolutions 909 / ml 565 / km

Alternatives to a P165/40R17 tire

If you're looking to upsize your P165 40R17 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
165/40R17 22.2″ 0% 6.5″ 17″
165/45R17 22.8″ 0.66% 6.5″ 17″
185/35R17 22.2″ 0% 7.3″ 17″