Hat Size Conversion Chart
Understand The Codes
US = USA. Used in USA, Canada
EU = European hat size. Used in most European/Scandinavian countries. Same number as circumference in CM.
UK = United Kingdom. Used in UK, Ireland
FR = French hat size. Used in France.
International Hat Size Converter
| Int. |
US |
EU |
UK |
FR |
| . | . | . | ||
| XXS | 6 1/4 | 50 | 6 1/8 | 1 1/2 |
| XXS | 6 3/8 | 51 | 6 1/4 | 2 |
| XS | 6 1/2 | 52 | 6 3/8 | 2 1/2 |
| XS | 6 5/8 | 53 | 6 1/2 | 3 |
| S | 6 3/4 | 54 | 6 5/8 | 3 1/2 |
| S | 6 7/8 | 55 | 6 3/4 | 4 |
| M | 7 | 56 | 6 7/8 | 4 1/2 |
| M | 7 1/8 | 57 | 7 | 5 |
| L | 7 1/4 | 58 | 7 1/8 | 5 1/2 |
| L | 7 3/8 | 59 | 7 1/4 | 6 |
| XL | 7 1/2 | 60 | 7 3/8 | 6 1/2 |
| XL | 7 5/8 | 61 | 7 1/2 | 7 |
| XXL | 7 3/4 | 62 | 7 5/8 | 7 1/2 |
| XXL | 7 7/8 | 63 | 7 3/4 | 8 |
| 3XL | 8 | 64 | 7 7/8 | 8 1/2 |
| 3XL | 8 1/8 | 65 | 8 | 9 |