Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 255/45R17 Tires
Diameter
26"
Width
10"
Sidewall
4.5"
Circumference
81.8"
Revs per mile
775
Alternate Tire Sizes
17"
14"
15"
16"
18"
19"
20"
21"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile