325/45R22 in inches

How tall is a 325 45R22 tire?

When converted to inches, the equivalent of a 325/45R22 tire size is 33.4x12.8R22. It means that:

  • height overall (or diameter) is 33.4 inches
  • tread width is 12.8 inches
  • wheel diameter is 22 inches

Learn more

325/45R22 tire size in inches
325/45R22 tire size chart

325/45R22 tire size in inches

325/45R22 Height / overall diameter: 33.4 inches
Height / overall diameter
33.4 inches
325/45R22 Tread width: 12.8 inches
Tread width
12.8 inches
325/45R22 Sidewall: 5.7 inches
Sidewall
5.7 inches
325/45R22 Wheel diameter: 22 inches
Wheel diameter
22 inches
325/45R22 Circumference: 104.9 inches
Circumference
104.9 inches
325/45R22 Revolutions: 605 per mile
Revolutions
605 per mile

325/45R22 — what does it mean?

  • 325 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

325/45R22 tire code
325/45R22 tire code

How to convert 325 45R22 to inches?

First of all, we need to divide 325 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 12.8″. Then, 45% of the 12.8″ will result in 5.7″ 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 33.4″ total tire diameter (or height).

For your convenience, below is a table for 325/45R22 conversion to inches:

Inches Metric
Overall diameter (height) 33.4″ 848 mm
Tread width 12.8″ 325 mm
Wheel diameter 22″ 848 mm
Sidewall height 5.7″ 146 mm
Circumference 104.9″ 2663 mm
Revolutions 605 / ml 376 / km

Alternatives to a 325/45R22 tire

If you're looking to upsize your 325 45R22 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
305/45R22 32.8″ -0.45% 12″ 22″
275/50R22 32.8″ -0.45% 10.8″ 22″
285/55R22 34.4″ 0.75% 11.2″ 22″
285/50R22 33.2″ -0.15% 11.2″ 22″
305/50R22 34″ 0.47% 12″ 22″
295/50R22 33.6″ 0.15% 11.6″ 22″
295/45R22 32.4″ -0.75% 11.6″ 22″
315/50R22 34.4″ 0.75% 12.4″ 22″
265/50R22 32.4″ -0.75% 10.4″ 22″
275/55R22 33.8″ 0.32% 10.8″ 22″