Centimetres
What size hat is 57 cm?
57 cm around the head is 22.4 inches — here is that measurement in every hat sizing system.
A 57 cm head takes US fitted hat size 7 1/8 (head circumference 22 3/8 inches, UK size 7, EU 57, letter roughly M).
US fitted
7 1/8
for a 57 cm head
In cm…
57
= 22.4
UK size
7
= US minus 1/8
EU size
57
≠ 57 — EU rounds the chart row's cm
Sizes near 57 cm
| US | UK | Head (cm) | Head (inches) | EU | Letter |
|---|---|---|---|---|---|
| 7 hat size | 6 7/8 | 55.8 | 22 | 56 | M |
| 7 1/8 hat size | 7 | 56.8 | 22 3/8 | 57 | M |
| 7 1/4 hat size | 7 1/8 | 57.7 | 22 3/4 | 58 | L |
Check any measurement
The converter turns cm or inches into every hat system, live as you type.