Please remember that the sizes listed here are generalized.  To get a custom fit for crochet hats, you may want to measure your (or your child’s head) whenever possible.  In general, hats are made 1 inch smaller than the head circumference, this allows for stretch and a secure fit.

Infant Hat Sizing
Preemie———————
Newborn———————
3-6 mos———————
6-12 mos———————
12-24 mos———————
Child Hat Sizing
1 – 3 yrs———————
3 – 6 yrs———————
6-10 yrs———————
Pre-teen———————
Adult Hat Sizing
Teen———————
Adult Woman———————
Adult Man———————