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The International Size Reference Guide

Hat Size Conversion Chart

International Hat Size Converter

Understand The Codes

Int. = International size (S, M, L, XL). Used World wide.
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

Tips, Tricks or Questions?

Do you have tips, tricks or questions about hat size conversion? Let us hear! Thanks :)
Note: All our size charts are guidelines.

Sizes may vary with brands, models and manufacturers. Due to this fact, we can not guarantee that our size charts always will show the right sizes.

You are welcome to link to our size charts from your blog/website/webshop. Store owners may also refer to our size charts in their store(s). Thanks a bunch!

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