Tire Size Calculator
Calculate tire sizes in inches or millimeters and find alternative sizes.
Inches
Millimeters
Results for 185/85R16 Tires
Diameter
28.4"
Width
7.3"
Sidewall
6.2"
Circumference
89.1"
Revs per mile
711
Alternate Tire Sizes
16"
15"
17"
18"
19"
20"
21"
22"
23"
Tire Size
Diameter
Width
Sidewall
Circumference
Revs per mile