Young Brunette Girl With A Blue Scarf Wearing A Hat On The Hill Above The Sea

Hat sizes in different types
Circumference in cm 34 43 47 48 49 50 51-52 53-54 55-56 57-58 59-60 61-62 63-64 65-66
Circumference in inches 13⅜ 17 18½ 18⅞ 19¼ 19¾ 20⅛-20½ 20⅞-21¼ 21⅝-22 22½-22⅞ 23¼-23⅝ 24-24⅜ 24¾-25¼ 25⅝-26
UK hat size - - 5¾ 5⅞ 6 6⅛ 6¼-6⅜ 6½-6⅝ 6¾-6⅞ 7-7⅛ 7¼-7⅜ 7½-7⅝ 7¾-7⅞ 8-8⅛