315/40R26 in inches

How tall is a 315 40R26 tire?

When converted to inches, the equivalent of a 315/40R26 tire size is 36x12.4R26. It means that:

  • height overall (or diameter) is 36 inches
  • tread width is 12.4 inches
  • wheel diameter is 26 inches

Learn more

315/40R26 tire size in inches
315/40R26 tire size chart

315/40R26 tire size in inches

315/40R26 Height / overall diameter: 36 inches
Height / overall diameter
36 inches
315/40R26 Tread width: 12.4 inches
Tread width
12.4 inches
315/40R26 Sidewall: 5 inches
5 inches
315/40R26 Wheel diameter: 26 inches
Wheel diameter
26 inches
315/40R26 Circumference: 113 inches
113 inches
315/40R26 Revolutions: 560 per mile
560 per mile

315/40R26 — what does it mean?

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

315/40R26 tire code
315/40R26 tire code

How to convert 315 40R26 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, 40% of the 12.4″ will result in 5″ sidewall.

To get the total height or tire diameter, we need to sum the 26″ rim diameter with two of the sidewall heights. It will result in a 36″ total tire diameter (or height).

For your convenience, below is a table for 315/40R26 conversion to inches:

Inches Metric
Overall diameter (height) 36″ 914 mm
Tread width 12.4″ 315 mm
Wheel diameter 26″ 914 mm
Sidewall height 5″ 126 mm
Circumference 113″ 2870 mm
Revolutions 560 / ml 348 / km

Alternatives to a 315/40R26 tire

If you're looking to upsize your 315 40R26 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
335/35R26 35.2″ -0.55% 13.2″ 26″
LT335/35R26 35.2″ -0.55% 13.2″ 26″