325/35R20 in inches

How tall is a 325 35R20 tire?

When converted to inches, the equivalent of a 325/35R20 tire size is 29x12.8R20. It means that:

  • height overall (or diameter) is 29 inches
  • tread width is 12.8 inches
  • wheel diameter is 20 inches

Learn more

325/35R20 tire size in inches
325/35R20 tire size chart

325/35R20 tire size in inches

325/35R20 Height / overall diameter: 29 inches
Height / overall diameter
29 inches
325/35R20 Tread width: 12.8 inches
Tread width
12.8 inches
325/35R20 Sidewall: 4.5 inches
Sidewall
4.5 inches
325/35R20 Wheel diameter: 20 inches
Wheel diameter
20 inches
325/35R20 Circumference: 91.1 inches
Circumference
91.1 inches
325/35R20 Revolutions: 695 per mile
Revolutions
695 per mile

325/35R20 — what does it mean?

  • 325 stands for tread width in millimeters
  • 35 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

325/35R20 tire code
325/35R20 tire code

How to convert 325 35R20 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, 35% of the 12.8″ will result in 4.5″ 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 29″ total tire diameter (or height).

For your convenience, below is a table for 325/35R20 conversion to inches:

Inches Metric
Overall diameter (height) 29″ 737 mm
Tread width 12.8″ 325 mm
Wheel diameter 20″ 737 mm
Sidewall height 4.5″ 114 mm
Circumference 91.1″ 2314 mm
Revolutions 695 / ml 432 / km

Alternatives to a 325/35R20 tire

If you're looking to upsize your 325 35R20 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
305/35R20 28.4″ -0.55% 12″ 20″
275/40R20 28.6″ -0.38% 10.8″ 20″
275/45R20 29.8″ 0.67% 10.8″ 20″
315/35R20 28.6″ -0.38% 12.4″ 20″
295/40R20 29.2″ 0.17% 11.6″ 20″
285/40R20 29″ 0% 11.2″ 20″
T145/80R20 29.2″ 0.17% 5.7″ 20″
235/45R20 28.4″ -0.55% 9.3″ 20″
235/50R20 29.2″ 0.17% 9.3″ 20″
245/50R20 29.6″ 0.5% 9.6″ 20″