Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 155/65R13 Tires
Diameter
20.9"
Width
6.1"
Sidewall
4"
Circumference
65.7"
Revs per mile
964
Alternate Tire Sizes
13"
12"
14"
15"
16"
17"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile