Size breakdown
8 1/4 hat size in cm and inches
If your tape reads close to 65.4 cm (25 3/4 in), US 8 1/4 is the fitted size to look for.
US fitted
8 1/4
circumference 25 3/4 in ÷ π
Head circumference
65.4 cm
= 25 3/4
UK size
8 1/8
= US minus 1/8
EU size
65
= cm rounded
Letter size: about XXL. XXL.A head measured up to 0.3 cm from 65.4 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 8 1/4 sits on the hat sizes chart
This size and its neighbours, so you can compare at a glance:
| US | UK | Head (cm) | Head (inches) | EU | Letter |
|---|---|---|---|---|---|
| 8 1/8 hat size | 8 | 64.5 | 25 3/8 | 65 | XXL |
| 8 1/4 hat size | 8 1/8 | 65.4 | 25 3/4 | 65 | XXL |
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