275/40R17 in inches

How tall is a 275 40R17 tire?

When converted to inches, the equivalent of a 275/40R17 tire size is 25.6x10.8R17. It means that:

  • height overall (or diameter) is 25.6 inches
  • tread width is 10.8 inches
  • wheel diameter is 17 inches

Learn more

275/40R17 tire size in inches
275/40R17 tire size chart

275/40R17 tire size in inches

275/40R17 Height / overall diameter: 25.6 inches
Height / overall diameter
25.6 inches
275/40R17 Tread width: 10.8 inches
Tread width
10.8 inches
275/40R17 Sidewall: 4.3 inches
Sidewall
4.3 inches
275/40R17 Wheel diameter: 17 inches
Wheel diameter
17 inches
275/40R17 Circumference: 80.4 inches
Circumference
80.4 inches
275/40R17 Revolutions: 789 per mile
Revolutions
789 per mile

275/40R17 — what does it mean?

  • 275 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
  • 17 is a wheel diameter (or rim) in inches

275/40R17 tire code
275/40R17 tire code

How to convert 275 40R17 to inches?

First of all, we need to divide 275 mm (width) by 25.4 (mm to inch conversion), which will give us a width of 10.8″. Then, 40% of the 10.8″ will result in 4.3″ 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 25.6″ total tire diameter (or height).

For your convenience, below is a table for 275/40R17 conversion to inches:

Inches Metric
Overall diameter (height) 25.6″ 650 mm
Tread width 10.8″ 275 mm
Wheel diameter 17″ 650 mm
Sidewall height 4.3″ 110 mm
Circumference 80.4″ 2041 mm
Revolutions 789 / ml 490 / km

Alternatives to a 275/40R17 tire

If you're looking to upsize your 275 40R17 tires, try to stay within 3% deviation of an overall diameter for safety reasons.

Tire Tire diameter Width Wheel Size
315/35R17 25.6″ 0% 12.4″ 17″
245/45R17 25.6″ 0% 9.6″ 17″
115/95R17 25.6″ 0% 4.5″ 17″
125/80R17 24.8″ -0.78% 4.9″ 17″
135/80R17 25.6″ 0% 5.3″ 17″
145/70R17 25″ -0.58% 5.7″ 17″
145/80R17 26.2″ 0.57% 5.7″ 17″
155/70R17 25.6″ 0% 6.1″ 17″
T185/60R17 25.8″ 0.19% 7.3″ 17″
185/60R17 25.8″ 0.19% 7.3″ 17″