Ring size

Swiss size (EU)	inner diameter (mm)	finger circumference (mm)	US size	UK size
41	13.0	40.8	1.5	D
42	13.3	41.9	2	D½
43	13.7	43.1	2.5	E
44	14.1	44.3	3	F
45	14.5	45.5	3.5	G
46	14.9	46.8	4	H
47	15.3	48.0	4.5	I
48	15.6	49.0	4.75	J
49	15.9	50.0	5	J½
50	16.2	50.9	5.5	K
51	16.6	52.1	5.75	L
52	16.9	53.1	6	L½
53	17.2	54.0	6.5	M
54	17.5	55.0	7	N
55	17.8	56.0	7.5	O
56	18.2	57.2	8	P
57	18.5	58.3	8.5	P½
58	18.8	59.3	9	Q
59	19.1	60.2	9.5	R
60	19.4	61.1	10	S
61	19.7	62.1	10.5	S½
62	20.0	62.8	11	T
63	20.3	63.9	11.5	U
64	20.6	64.8	12	V

💍 Information on ring size determination in Switzerland:

• The Swiss ring size corresponds to the finger circumference in mm.

 

Women's Bracelet Sizes (Switzerland & EU)

wrist circumference (cm)	Recommended bracelet size (cm)
13 – 14 cm	15 – 16 cm
15 – 16 cm	17 – 18 cm
17 – 18 cm	19 – 20 cm
19 – 20 cm	21 – 22 cm

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Men's Bracelet Sizes (Switzerland & EU)

wrist circumference (cm)	Recommended bracelet size (cm)
15 – 16 cm	17 – 18 cm
17 – 18 cm	19 – 20 cm
19 – 20 cm	21 – 22 cm
21 – 22 cm	23 – 24 cm

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Children's bracelet sizes (Switzerland & EU)

Old	wrist circumference (cm)	Recommended bracelet size (cm)
0 – 1 year	10 – 11 cm	12 – 13 cm
2 – 4 years	11 – 12 cm	13 – 14 cm
5 – 7 years	12 – 13 cm	14 – 15 cm
8 – 10 years	13 – 14 cm	15 – 16 cm