Size Chart

To measure Mortarboard / Tam size

To determine your mortarboard/tam size, measure the circumference around your head, keeping the tape level and firm, across the temples and above the eyebrow ridges.  Check the size chart given below.

Circumference of head where cap brim sits:

For in-between measurements use the next size up

Cap size	XS	S	M	L	XL
Metrics	below 54 cm	55 to 57 cm	58 to 59 cm	60 cm	61 cm & above