315/25R23 in inches

How tall is a 315 25R23 tire?

When converted to inches, the equivalent of a 315/25R23 tire size is 29.2x12.4R23. It means that:

  • height overall (or diameter) is 29.2 inches
  • tread width is 12.4 inches
  • wheel diameter is 23 inches

Learn more

315/25R23 tire size in inches
315/25R23 tire size chart

315/25R23 tire size in inches

315/25R23 Height / overall diameter: 29.2 inches
Height / overall diameter
29.2 inches
315/25R23 Tread width: 12.4 inches
Tread width
12.4 inches
315/25R23 Sidewall: 3.1 inches
3.1 inches
315/25R23 Wheel diameter: 23 inches
Wheel diameter
23 inches
315/25R23 Circumference: 91.7 inches
91.7 inches
315/25R23 Revolutions: 690 per mile
690 per mile

315/25R23 — what does it mean?

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

315/25R23 tire code
315/25R23 tire code

How to convert 315 25R23 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, 25% of the 12.4″ will result in 3.1″ sidewall.

To get the total height or tire diameter, we need to sum the 23″ rim diameter with two of the sidewall heights. It will result in a 29.2″ total tire diameter (or height).

For your convenience, below is a table for 315/25R23 conversion to inches:

Inches Metric
Overall diameter (height) 29.2″ 742 mm
Tread width 12.4″ 315 mm
Wheel diameter 23″ 742 mm
Sidewall height 3.1″ 79 mm
Circumference 91.7″ 2330 mm
Revolutions 690 / ml 429 / km

Alternatives to a 315/25R23 tire

If you're looking to upsize your 315 25R23 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
295/30R23 30″ 0.66% 11.6″ 23″
305/25R23 29″ -0.17% 12″ 23″