Size breakdown

7 1/2 hat size in cm and inches

Measuring 23 1/2 inches (about 59.6 cm) around the head puts you in US size 7 1/2.

US fitted

7 1/2

circumference 23 1/2 in ÷ π

Head circumference

59.6 cm

= 23 1/2

UK size

7 3/8

= US minus 1/8

EU size

60

= cm rounded

Letter size: about XL. XL.A head measured up to 0.3 cm from 59.6 cm matches this size; between sizes, take the next size up for a non-adjustable hat.Letter sizes vary by brand; check the brand's own chart.

Where 7 1/2 sits on the hat sizes chart

This size and its neighbours, so you can compare at a glance:

Hat size chart: US, UK and EU hat sizes with head circumference in centimetres and inches
USUKHead (cm)Head (inches)EULetter
7 3/8 hat size7 1/458.723 1/859L
7 1/2 hat size7 3/859.623 1/260XL
7 5/8 hat size7 1/260.623 7/861XL
Scroll sideways inside the table on small screens if you do not see every column. Letter sizes vary by brand; check the brand's own chart.
Next to 7 1/2: US 7 3/8Next to 7 1/2: US 7 5/8What size hat is 60 cm?

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