Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 255/60R15 Tires
Diameter
27"
Width
10"
Sidewall
6"
Circumference
84.9"
Revs per mile
746
Alternate Tire Sizes
15"
14"
16"
17"
18"
19"
20"
21"
22"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile