315/60R20 in inches

How tall is a 315 60R20 tire?

When converted to inches, the equivalent of a 315/60R20 tire size is 34.8x12.4R20. It means that:

  • height overall (or diameter) is 34.8 inches
  • tread width is 12.4 inches
  • wheel diameter is 20 inches

Learn more

315/60R20 tire size in inches
315/60R20 tire size chart

315/60R20 tire size in inches

315/60R20 Height / overall diameter: 34.8 inches
Height / overall diameter
34.8 inches
315/60R20 Tread width: 12.4 inches
Tread width
12.4 inches
315/60R20 Sidewall: 7.4 inches
Sidewall
7.4 inches
315/60R20 Wheel diameter: 20 inches
Wheel diameter
20 inches
315/60R20 Circumference: 109.3 inches
Circumference
109.3 inches
315/60R20 Revolutions: 579 per mile
Revolutions
579 per mile

315/60R20 — what does it mean?

  • 315 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
  • 20 is a wheel diameter (or rim) in inches

315/60R20 tire code
315/60R20 tire code

How to convert 315 60R20 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, 60% of the 12.4″ will result in 7.4″ 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 34.8″ total tire diameter (or height).

For your convenience, below is a table for 315/60R20 conversion to inches:

Inches Metric
Overall diameter (height) 34.8″ 884 mm
Tread width 12.4″ 315 mm
Wheel diameter 20″ 884 mm
Sidewall height 7.4″ 189 mm
Circumference 109.3″ 2776 mm
Revolutions 579 / ml 360 / km

Alternatives to a 315/60R20 tire

If you're looking to upsize your 315 60R20 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
275/65R20 34″ -0.57% 10.8″ 20″
LT275/65R20 34″ -0.57% 10.8″ 20″
285/65R20 34.6″ -0.14% 11.2″ 20″
325/60R20 35.4″ 0.42% 12.8″ 20″
295/60R20 34″ -0.57% 11.6″ 20″
295/65R20 35.2″ 0.28% 11.6″ 20″
305/60R20 34.4″ -0.28% 12″ 20″
LT325/60R20 35.4″ 0.42% 12.8″ 20″
335/55R20 34.4″ -0.28% 13.2″ 20″
355/50R20 34″ -0.57% 14″ 20″