P295/45R20 in inches

How tall is a P295 45R20 tire?

When converted to inches, the equivalent of a P295/45R20 tire size is 30.4x11.6R20. It means that:

  • height overall (or diameter) is 30.4 inches
  • tread width is 11.6 inches
  • wheel diameter is 20 inches

Learn more

P295/45R20 tire size in inches
P295/45R20 tire size chart

P295/45R20 tire size in inches

P295/45R20 Height / overall diameter: 30.4 inches
Height / overall diameter
30.4 inches
P295/45R20 Tread width: 11.6 inches
Tread width
11.6 inches
P295/45R20 Sidewall: 5.2 inches
Sidewall
5.2 inches
P295/45R20 Wheel diameter: 20 inches
Wheel diameter
20 inches
P295/45R20 Circumference: 95.5 inches
Circumference
95.5 inches
P295/45R20 Revolutions: 665 per mile
Revolutions
665 per mile

P295/45R20 — what does it mean?

  • P means "passenger car"
  • 295 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
  • 20 is a wheel diameter (or rim) in inches

P295/45R20 tire code
P295/45R20 tire code

How to convert P295 45R20 to inches?

First of all, we need to divide 295 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 11.6″. Then, 45% of the 11.6″ will result in 5.2″ sidewall.

To get the total height or tire diameter, we need to sum the 20″ rim diameter with two of the sidewall heights. It will result in a 30.4″ total tire diameter (or height).

For your convenience, below is a table for P295/45R20 conversion to inches:

Inches Metric
Overall diameter (height) 30.4″ 772 mm
Tread width 11.6″ 295 mm
Wheel diameter 20″ 772 mm
Sidewall height 5.2″ 133 mm
Circumference 95.5″ 2424 mm
Revolutions 665 / ml 413 / km

Alternatives to a P295/45R20 tire

If you're looking to upsize your P295 45R20 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
265/50R20 30.4″ 0% 10.4″ 20″
285/50R20 31.2″ 0.64% 11.2″ 20″
295/45R20 30.4″ 0% 11.6″ 20″
255/55R20 31″ 0.48% 10″ 20″
275/45R20 29.8″ -0.49% 10.8″ 20″
275/50R20 30.8″ 0.32% 10.8″ 20″
255/50R20 30″ -0.33% 10″ 20″
305/45R20 30.8″ 0.32% 12″ 20″
235/55R20 30.2″ -0.16% 9.3″ 20″
235/60R20 31.2″ 0.64% 9.3″ 20″