Hat size chart

Every hat size in US, EU, UK, JP, KR, CN, side by side, for men, women and kids. These are the conversion tables the MeSize app itself runs on, so a size you read here is the size the app would give you.

Men's Women's Kids'

Men's hat sizes

Men's hat size conversion between US, EU, UK, JP, KR, CN
USUnited States	EUEurope	UKUnited Kingdom	JPJapan	KRKorea	CNChina
6 5/8	53	6 5/8	53	53	53
6 3/4	54	6 3/4	54	54	54
6 7/8	55	6 7/8	55	55	55
7	56	7	56	56	56
7 1/8	57	7 1/8	57	57	57
7 1/4	58	7 1/4	58	58	58
7 3/8	59	7 3/8	59	59	59
7 1/2	60	7 1/2	60	60	60
7 5/8	61	7 5/8	61	61	61

Women's hat sizes

Women's hat size conversion between US, EU, UK, JP, KR, CN
USUnited States	EUEurope	UKUnited Kingdom	JPJapan	KRKorea	CNChina
6 5/8	53	6 5/8	53	53	53
6 3/4	54	6 3/4	54	54	54
6 7/8	55	6 7/8	55	55	55
7	56	7	56	56	56
7 1/8	57	7 1/8	57	57	57
7 1/4	58	7 1/4	58	58	58
7 3/8	59	7 3/8	59	59	59
7 1/2	60	7 1/2	60	60	60
7 5/8	61	7 5/8	61	61	61

Kids' hat sizes

Babies, toddlers and older kids on one continuous scale — NB to 6 5/8. Newborn sizes are the top rows.

Kids' hat size conversion between US, EU, UK, JP, KR, CN
USUnited States	EUEurope	UKUnited Kingdom	JPJapan	KRKorea	CNChina
NB	35	NB	35	35	35
0-3M	40	0-3m	40	40	40
3-6M	43	3-6m	43	43	43
6-12M	46	6-12m	46	46	46
12-18M	47	12-18m	47	47	47
18-24M	48	18-24m	48	48	48
6 1/4	50	6 1/4	50	50	50
6 3/8	51	6 3/8	51	51	51
6 1/2	52	6 1/2	52	52	52
6 5/8	53	6 5/8	53	53	53

How to measure

Head circumference cm: Measure around the head just above the ears and eyebrows.

Other size charts

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