To determine your head size, snugly wrap a tailor (flexible) measuring tape around the head just above the eyebrows and the ears. Select the larger size if the result is in between sizes.
U.S. | Metric | Inches |
6 1/2 | 52 | 20 3/4 |
6 5/8 | 53 | 20 7/8 |
6 3/4 | 54 | 21 1/8 |
6 7/8 | 55 | 21 1/2 |
7 | 56 | 21 7/8 |
7 1/8 | 57 | 22 1/4 |
7 1/4 | 58 | 22 5/8 |
7 3/8 | 59 | 23 |
7 1/2 | 60 | 23 1/2 |
7 5/8 | 61 | 23 7/8 |
7 3/4 | 62 | 24 1/4 |
7 7/8 | 63 | 24 5/8 |
8 | 64 | 25 1/4 |