Tire Size Calculator
Compare two tire sizes — diameter, sidewall height, circumference, and speedometer difference.
Tire 1Tire 2
Size
Metric205/55R16215/60R16
Sidewall (in)4.44"5.08"
Sidewall (mm)112.8 mm129.0 mm
Diameter (in)24.88"26.16"
Circumference78.16"82.18"
Rev / mile810.7771.0
Speedometer Difference+5.14%Tire 2 reads faster
Diameter difference+1.280"
Format: 205/55R16 (width mm / aspect ratio % R rim diameter inches)