315/30R22 in inches

How tall is a 315 30R22 tire?

When converted to inches, the equivalent of a 315/30R22 tire size is 29.4x12.4R22. It means that:

  • height overall (or diameter) is 29.4 inches
  • tread width is 12.4 inches
  • wheel diameter is 22 inches

Learn more

315/30R22 tire size in inches
315/30R22 tire size chart

315/30R22 tire size in inches

315/30R22 Height / overall diameter: 29.4 inches
Height / overall diameter
29.4 inches
315/30R22 Tread width: 12.4 inches
Tread width
12.4 inches
315/30R22 Sidewall: 3.7 inches
Sidewall
3.7 inches
315/30R22 Wheel diameter: 22 inches
Wheel diameter
22 inches
315/30R22 Circumference: 92.3 inches
Circumference
92.3 inches
315/30R22 Revolutions: 686 per mile
Revolutions
686 per mile

315/30R22 — what does it mean?

  • 315 stands for tread width in millimeters
  • 30 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

315/30R22 tire code
315/30R22 tire code

How to convert 315 30R22 to inches?

First of all, we need to divide 315 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 12.4″. Then, 30% of the 12.4″ will result in 3.7″ 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 29.4″ total tire diameter (or height).

For your convenience, below is a table for 315/30R22 conversion to inches:

Inches Metric
Overall diameter (height) 29.4″ 747 mm
Tread width 12.4″ 315 mm
Wheel diameter 22″ 747 mm
Sidewall height 3.7″ 95 mm
Circumference 92.3″ 2346 mm
Revolutions 686 / ml 426 / km

Alternatives to a 315/30R22 tire

If you're looking to upsize your 315 30R22 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
265/35R22 29.4″ 0% 10.4″ 22″
335/25R22 28.6″ -0.71% 13.2″ 22″
285/35R22 29.8″ 0.33% 11.2″ 22″
295/30R22 29″ -0.34% 11.6″ 22″
245/35R22 28.8″ -0.51% 9.6″ 22″
255/35R22 29″ -0.34% 10″ 22″
255/40R22 30″ 0.5% 10″ 22″
275/35R22 29.6″ 0.17% 10.8″ 22″
285/30R22 28.8″ -0.51% 11.2″ 22″
295/35R22 30.2″ 0.66% 11.6″ 22″