125/80R17 in inches

How tall is a 125 80R17 tire?

When converted to inches, the equivalent of a 125/80R17 tire size is 24.8x4.9R17. It means that:

  • height overall (or diameter) is 24.8 inches
  • tread width is 4.9 inches
  • wheel diameter is 17 inches

Learn more

125/80R17 tire size in inches
125/80R17 tire size chart

125/80R17 tire size in inches

125/80R17 Height / overall diameter: 24.8 inches
Height / overall diameter
24.8 inches
125/80R17 Tread width: 4.9 inches
Tread width
4.9 inches
125/80R17 Sidewall: 3.9 inches
Sidewall
3.9 inches
125/80R17 Wheel diameter: 17 inches
Wheel diameter
17 inches
125/80R17 Circumference: 77.9 inches
Circumference
77.9 inches
125/80R17 Revolutions: 814 per mile
Revolutions
814 per mile

125/80R17 — what does it mean?

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

125/80R17 tire code
125/80R17 tire code

How to convert 125 80R17 to inches?

First of all, we need to divide 125 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 4.9″. Then, 80% of the 4.9″ will result in 3.9″ sidewall.

To get the total height or tire diameter, we need to sum the 17″ rim diameter with two of the sidewall heights. It will result in a 24.8″ total tire diameter (or height).

For your convenience, below is a table for 125/80R17 conversion to inches:

Inches Metric
Overall diameter (height) 24.8″ 630 mm
Tread width 4.9″ 125 mm
Wheel diameter 17″ 630 mm
Sidewall height 3.9″ 100 mm
Circumference 77.9″ 1978 mm
Revolutions 814 / ml 506 / km

Alternatives to a 125/80R17 tire

If you're looking to upsize your 125 80R17 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
135/70R17 24.4″ -0.4% 5.3″ 17″
135/80R17 25.6″ 0.78% 5.3″ 17″
145/70R17 25″ 0.2% 5.7″ 17″
155/70R17 25.6″ 0.78% 6.1″ 17″
175/55R17 24.6″ -0.2% 6.9″ 17″
185/50R17 24.4″ -0.4% 7.3″ 17″
195/50R17 24.8″ 0% 7.7″ 17″
195/55R17 25.4″ 0.59% 7.7″ 17″
205/45R17 24.2″ -0.6% 8.1″ 17″
205/50R17 25.2″ 0.39% 8.1″ 17″