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Hat Sizing And How To Measure Your Head

Hat Sizing

An average head size for men is size 7 38 (using U.S. sizing), 58 cm (using European sizing) or
18 (using UK sizing). The average head size for women is 7 14 (U.S. sizing). Of course, head sizes and shapes can also differ from country to country.

How to measure your head

Take a measuring tape and place it around the circumference of the head, slightly above the ears.

Hat Measuring Chart
US 58 34 78 7 18 14 38 12 58 34 78 8
UK 12 58 34 78 7 18 14 38 12 58 34 78
CM 53 54 55 56 57 58 59 60 61 62 63 64
Inches 20 34 21 14 21 58 22 22 12 22 34 23 14 23 58 24 24 12 24 34 25 14
US UK CM Inches
58 12 53 20 34
34 58 54 21 14
78 34 55 21 58
7 78 56 22
18 7 57 22 12
14 18 58 22 34
38 14 59 23 14
12 38 60 23 58
58 12 61 24
34 58 62 24 12
78 34 63 24 34
8 78 64 25 14