Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 235/55R17 Tires
Diameter
27.2"
Width
9.3"
Sidewall
5.1"
Circumference
85.3"
Revs per mile
742
Alternate Tire Sizes
17"
14"
15"
16"
18"
19"
20"
21"
22"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile