Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 225/45R19 Tires
Diameter
27"
Width
8.9"
Sidewall
4"
Circumference
84.7"
Revs per mile
748
Alternate Tire Sizes
19"
14"
15"
16"
17"
18"
20"
21"
22"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile