Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 255/40R22 Tires
Diameter
30"
Width
10"
Sidewall
4"
Circumference
94.3"
Revs per mile
672
Alternate Tire Sizes
22"
15"
16"
17"
18"
19"
20"
21"
23"
24"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile