If you have long hair, tie it back in a low, tight ponytail before measuring. [2] X Research source A string can be used instead of a soft tape measure; just make sure to mark it and measure it with a ruler or tape measure to find your head size. [3] X Research source
Experts recommend measuring your head more than once to get an accurate measurement. [5] X Research source
21 ¼ to 21 ⅝ in (54 to 55 cm): Size 6 ¾ and 6 ⅞ (Small)[7] X Research source 22 to 22 ⅜ in (55. 9 to 56. 8 cm): Size 7 and 7 ⅛ (Medium) 22 ¾ to 23 ⅛ in (57. 8 to 58. 7 cm): Size 7 ¼ and 7 ⅜ (Large) 23 ½ to 23 ⅞ in (59. 7 to 60. 6 cm): Size 7 ½ and 7 ⅝ (X-Large) 24 ¼ to 25 in (61. 6 to 63. 5 cm): Size 7 ¾ and 7 ⅞ (2XL) 25 ½ in (64 cm): Size 8 (3XL)
Lift up the inner band of the hat (if your hat has one—not all do). Stick the tape along the inside rim of the hat where your head and hat touch. Cut off the excess tape and put on the hat. Add an extra layer of tape in any spots where the hat’s loose.
Cattleman: Two-rowed crease and squared rim[9] X Research source Brick: Rectangle crease squared rim[10] X Research source Pinch Front: Angled crease and downward, rounded rim[11] X Research source Gus: Tailored crease and taller end[12] X Research source Gambler or Telescope: Rounded crease and rim[13] X Research source
