Ring Sizes Gemologica, A Fine Online Jewelry Store

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RING SIZE

ARE YOU UNSURE ABOUT YOUR RING SIZE?

Click here to download a helpful ring sizer in Adobe PDF format.

For the most accurate ring size measurements, please visit a professional jeweler.

Measurement		Ring Size Equivalents
(inches)	(mm)	US	British	French	German	Swiss	Singapore/Japanese	Hong Kong
1 3/4	44.5	3	F	44	14	4	4	6
1 25/32	45.2	3 1/2	G	45	14.5	5 1/2	6	8
1 13/16	46	4	H	47	15	7	7	8.5
1 7/8	47.6	4 1/2	I	48	15.5	9	8	9.5
1 15/16	49.2	5	J	50	15.8	10	9	10.5
2	50.8	5 1/2	K	52	16	12	10	11.5
2 1/16	52.4	6	L	53	16.5	13	12	13.5
2 3/32	53.2	6 1/2	M	54	17	14	13	14.5
2 1/8	54	7	N	55	17.3	15	14	15.5
2 3/16	55.6	7 1/2	O	57	17.8	16 1/2	15	16.5
2 1/4	57.2	8	P	58	18	18	16	17.5
2 5/32	54.8	8 1/2	Q	59	18.5	19	17	18
2 5/16	58.7	9	R	60	19	20	18	19
2 3/8	60.3	9 1/2	S	61	19.5	21 1/2	19	20
2 7/16	61.9	10	T	62	20.3	22	20	21
2 1/2	63.5	10 1/2	U	63	20.8	23 1/2	22	23
2 9/16	65.1	11	W	64	21	25	23	24
2 19/32	65.9	11 1/2	X	66	21.3	26	24	25
2 5/8	66.7	12	Y	67	21.8	27 1/2	25	26
2 11/16	68.3	12 1/2	Z	69	22	29	26	27
2 3/4	69.9	13	--	--	--	--	27	28