Men's hat and cap sizes
🔧 Interactive tool:Hat size calculator → — enter your head circumference to find your FR / US / UK size in one click.
Size (US) | XS | S | M | L | |||
UK size | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 |
Inches | 20 3/4 | 21 | 21 1/2 | 22 | 22 1/2 | 22 3/4 | 23 |
Metric | 53 | 54 | 55 | 56 | 57 | 58 | 59 |
Size (US) | XL | XXL | XXXL | |||
UK size | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 | 8 | 8 1/8 |
Inches | 23 1/2 | 24 | 24 3/8 | 24 7/8 | 25 1/8 | 25 1/2 |
Metric | 60 | 61 | 62 | 63 | 64 | 65 |
