P225/70R16 in inches

How tall is a P225 70R16 tire?

When converted to inches, the equivalent of a P225/70R16 tire size is 28.4x8.9R16. It means that:

  • height overall (or diameter) is 28.4 inches
  • tread width is 8.9 inches
  • wheel diameter is 16 inches

Learn more

P225/70R16 tire size in inches
P225/70R16 tire size chart

P225/70R16 tire size in inches

P225/70R16 Height / overall diameter: 28.4 inches
Height / overall diameter
28.4 inches
P225/70R16 Tread width: 8.9 inches
Tread width
8.9 inches
P225/70R16 Sidewall: 6.2 inches
Sidewall
6.2 inches
P225/70R16 Wheel diameter: 16 inches
Wheel diameter
16 inches
P225/70R16 Circumference: 89.2 inches
Circumference
89.2 inches
P225/70R16 Revolutions: 711 per mile
Revolutions
711 per mile

P225/70R16 — what does it mean?

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

P225/70R16 tire code
P225/70R16 tire code

How to convert P225 70R16 to inches?

First of all, we need to divide 225 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 8.9″. Then, 70% of the 8.9″ will result in 6.2″ sidewall.

To get the total height or tire diameter, we need to sum the 16″ rim diameter with two of the sidewall heights. It will result in a 28.4″ total tire diameter (or height).

For your convenience, below is a table for P225/70R16 conversion to inches:

Inches Metric
Overall diameter (height) 28.4″ 721 mm
Tread width 8.9″ 225 mm
Wheel diameter 16″ 721 mm
Sidewall height 6.2″ 158 mm
Circumference 89.2″ 2264 mm
Revolutions 711 / ml 442 / km

Alternatives to a P225/70R16 tire

If you're looking to upsize your P225 70R16 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
235/70R16 29″ 0.55% 9.3″ 16″
215/70R16 27.8″ -0.53% 8.5″ 16″
225/70R16 28.4″ 0% 8.9″ 16″
235/65R16 28″ -0.35% 9.3″ 16″
255/65R16 29″ 0.55% 10″ 16″
195/80R16 28.2″ -0.17% 7.7″ 16″
205/75R16 28.2″ -0.17% 8.1″ 16″
205/80R16 29″ 0.55% 8.1″ 16″
215/75R16 28.6″ 0.17% 8.5″ 16″
245/60R16 27.6″ -0.7% 9.6″ 16″