325/60R15 in inches

How tall is a 325 60R15 tire?

When converted to inches, the equivalent of a 325/60R15 tire size is 30.4x12.8R15. It means that:

  • height overall (or diameter) is 30.4 inches
  • tread width is 12.8 inches
  • wheel diameter is 15 inches

Learn more

325/60R15 tire size in inches
325/60R15 tire size chart

325/60R15 tire size in inches

325/60R15 Height / overall diameter: 30.4 inches
Height / overall diameter
30.4 inches
325/60R15 Tread width: 12.8 inches
Tread width
12.8 inches
325/60R15 Sidewall: 7.7 inches
Sidewall
7.7 inches
325/60R15 Wheel diameter: 15 inches
Wheel diameter
15 inches
325/60R15 Circumference: 95.5 inches
Circumference
95.5 inches
325/60R15 Revolutions: 665 per mile
Revolutions
665 per mile

325/60R15 — what does it mean?

  • 325 stands for tread width in millimeters
  • 60 is an aspect ration between the tread width and the sidewall in percents
  • R means that the tire has a radial construction
  • 15 is a wheel diameter (or rim) in inches

325/60R15 tire code
325/60R15 tire code

How to convert 325 60R15 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, 60% of the 12.8″ will result in 7.7″ sidewall.

To get the total height or tire diameter, we need to sum the 15″ 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 325/60R15 conversion to inches:

Inches Metric
Overall diameter (height) 30.4″ 772 mm
Tread width 12.8″ 325 mm
Wheel diameter 15″ 772 mm
Sidewall height 7.7″ 195 mm
Circumference 95.5″ 2424 mm
Revolutions 665 / ml 413 / km

Alternatives to a 325/60R15 tire

If you're looking to upsize your 325 60R15 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
265/75R15 30.6″ 0.16% 10.4″ 15″
265/70R15 29.6″ -0.66% 10.4″ 15″
255/75R15 30″ -0.33% 10″ 15″
205/90R15 29.6″ -0.66% 8.1″ 15″
235/80R15 29.8″ -0.49% 9.3″ 15″
275/70R15 30.2″ -0.16% 10.8″ 15″
285/70R15 30.8″ 0.32% 11.2″ 15″
295/65R15 30.2″ -0.16% 11.6″ 15″
315/60R15 29.8″ -0.49% 12.4″ 15″
345/55R15 30″ -0.33% 13.6″ 15″