305/30R26 in inches

How tall is a 305 30R26 tire?

When converted to inches, the equivalent of a 305/30R26 tire size is 33.2x12R26. It means that:

  • height overall (or diameter) is 33.2 inches
  • tread width is 12 inches
  • wheel diameter is 26 inches

Learn more

305/30R26 tire size in inches
305/30R26 tire size chart

305/30R26 tire size in inches

305/30R26 Height / overall diameter: 33.2 inches
Height / overall diameter
33.2 inches
305/30R26 Tread width: 12 inches
Tread width
12 inches
305/30R26 Sidewall: 3.6 inches
3.6 inches
305/30R26 Wheel diameter: 26 inches
Wheel diameter
26 inches
305/30R26 Circumference: 104.2 inches
104.2 inches
305/30R26 Revolutions: 608 per mile
608 per mile

305/30R26 — what does it mean?

  • 305 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
  • 26 is a wheel diameter (or rim) in inches

305/30R26 tire code
305/30R26 tire code

How to convert 305 30R26 to inches?

First of all, we need to divide 305 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 12″. Then, 30% of the 12″ will result in 3.6″ 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 33.2″ total tire diameter (or height).

For your convenience, below is a table for 305/30R26 conversion to inches:

Inches Metric
Overall diameter (height) 33.2″ 843 mm
Tread width 12″ 305 mm
Wheel diameter 26″ 843 mm
Sidewall height 3.6″ 92 mm
Circumference 104.2″ 2647 mm
Revolutions 608 / ml 378 / km

Alternatives to a 305/30R26 tire

If you're looking to upsize your 305 30R26 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
295/30R26 33″ -0.15% 11.6″ 26″