P285/45R22 in inches

How tall is a P285 45R22 tire?

When converted to inches, the equivalent of a P285/45R22 tire size is 32x11.2R22. It means that:

  • height overall (or diameter) is 32 inches
  • tread width is 11.2 inches
  • wheel diameter is 22 inches

Learn more

P285/45R22 tire size in inches
P285/45R22 tire size chart

P285/45R22 tire size in inches

P285/45R22 Height / overall diameter: 32 inches
Height / overall diameter
32 inches
P285/45R22 Tread width: 11.2 inches
Tread width
11.2 inches
P285/45R22 Sidewall: 5 inches
Sidewall
5 inches
P285/45R22 Wheel diameter: 22 inches
Wheel diameter
22 inches
P285/45R22 Circumference: 100.5 inches
Circumference
100.5 inches
P285/45R22 Revolutions: 631 per mile
Revolutions
631 per mile

P285/45R22 — what does it mean?

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

P285/45R22 tire code
P285/45R22 tire code

How to convert P285 45R22 to inches?

First of all, we need to divide 285 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 11.2″. Then, 45% of the 11.2″ will result in 5″ sidewall.

To get the total height or tire diameter, we need to sum the 22″ rim diameter with two of the sidewall heights. It will result in a 32″ total tire diameter (or height).

For your convenience, below is a table for P285/45R22 conversion to inches:

Inches Metric
Overall diameter (height) 32″ 813 mm
Tread width 11.2″ 285 mm
Wheel diameter 22″ 813 mm
Sidewall height 5″ 128 mm
Circumference 100.5″ 2553 mm
Revolutions 631 / ml 392 / km

Alternatives to a P285/45R22 tire

If you're looking to upsize your P285 45R22 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
285/45R22 32″ 0% 11.2″ 22″
305/40R22 31.6″ -0.31% 12″ 22″
305/45R22 32.8″ 0.61% 12″ 22″
275/50R22 32.8″ 0.61% 10.8″ 22″
275/45R22 31.8″ -0.15% 10.8″ 22″
265/45R22 31.4″ -0.47% 10.4″ 22″
295/45R22 32.4″ 0.31% 11.6″ 22″
265/50R22 32.4″ 0.31% 10.4″ 22″
295/40R22 31.2″ -0.65% 11.6″ 22″
325/40R22 32.2″ 0.15% 12.8″ 22″