Conversion Table
Here is a table that you can use to convert the circumference of your head in centimeters or inches into a helmet size.
Centimeters Inches Fitted Hat Size 50 19 5/8 6 1/4 52 20 1/2 6 1/2 54 21 1/4 6 3/4 56 22 7 58 22 3/4 7 1/4 60 23 5/8 7 1/2 62 24 3/8 7 3/4 64 25 8
