Hat Sizing & How to Measure your Head

An average head size for a man is 58 cms in European Sizing or 71/8 UK sizing. The average head size for a woman is 56 cms European or 6 7/8 UK sizing.

American hat sizes are one size larger than UK for a given size, for example a UK 71/8 hat is 71/4 in US sizing (see chart below).

How to measure your head size

Take a measuring tape and place it around the circumference of the head, keeping it level and slightly above the ears and the eyebrows. It is easiest to read the size off in centimetres then translate to UK sizing using the chart below if needed.

Hat Size Chart

S M L XL XXL
US 6 5/8 6 3/4 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 7 7/8 8
UK 6 1/2 6 5/8 6 3/4 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 7 7/8
CM 53 54 55 56 57 58 59 60 61 62 63 64
Inches 20 3/4 21 1/4 21 5/8 22 22 1/2 22 3/4 23 1/4 23 5/8 24 24 1/2 24 3/4 25 1/4
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