Find your hat size – convert between inches, centimeters and US, UK and French sizes.
Adult hat sizes – men and women
| XS-XL | Inches | Cm | US | UK | France |
|---|---|---|---|---|---|
| XXS | 19 4/8 | 50 | 6 1/4 | 6 1/8 | 1 1/2 |
| XXS | 19 7/8 | 51 | 6 3/8 | 6 1/4 | 2 |
| XXS | 20 2/8 | 52 | 6 1/2 | 6 3/8 | 2 1/2 |
| XS | 20 3/4 | 53 | 6 5/8 | 6 1/2 | 3 |
| XS | 21 1/4 | 54 | 6 3/4 | 6 5/8 | 3 1/2 |
| S | 21 5/8 | 55 | 6 7/8 | 6 3/4 | 4 |
| S | 22 | 56 | 7 | 6 7/8 | 4 1/2 |
| M | 22 1/2 | 57 | 7 1/8 | 7 | 5 |
| M | 22 3/4 | 58 | 7 1/4 | 7 1/8 | 5 1/2 |
| L | 23 1/4 | 59 | 7 3/8 | 7 1/4 | 6 |
| L | 23 5/8 | 60 | 7 1/2 | 7 3/8 | 6 1/2 |
| XL | 24 | 61 | 7 5/8 | 7 1/2 | 7 |
| XL | 24 1/2 | 62 | 7 3/4 | 7 5/8 | 7 1/2 |
| XXL | 24 3/4 | 63 | 7 7/8 | 7 3/4 | 8 |
| XXL | 25 1/4 | 64 | 8 | 7 7/8 | 8 1/2 |
To measure your hat size, wrap a tape measure around your head just above your ears and at the center of the forehead. The tape should fit comfortably – not too tight. Round up to the nearest size. You can also use a piece of string, and then measure it with a normal ruler.
This conversion chart is for both men and women – look here for children’s hat sizes. Please observe that this is only a guide to find your hat size, sizes may vary between different manufacturers.