How to Measure Hat Size?
While Men’s hat sizes are measured by diameter and a Woman’s hat size by circumference both require the use of a tape measure. Using a flexible tape measure wrap it around the widest part of the head usually 1 inch above the eyebrows. The first measurement is the circumference or women’s hat size. To determine a man’s the number you need to divide the same measurement by pi or 3.14. You can find more information here: http://everything2.com/title/How+to+meas…
