Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 305/40R22 Tires
Diameter
31.6"
Width
12"
Sidewall
4.8"
Circumference
99.2"
Revs per mile
638
Alternate Tire Sizes
22"
16"
17"
18"
19"
20"
21"
23"
24"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile