Ring Size Measurement

1. Prepare a slip of paper and tie it on your finger.

2. Mark on the junction on the paper.

3. Measure the length， then get the circumference

Inside Diameter		Inside Circumference		USA	Brazil	European	UK	China
(inches)	(mm)	(inches)	(mm)	Size	Size	Size	Size	Size
0.586	14.88	1.84	46.8	4	7	47		7
0.602	15.29	1.89	48	4.5	8	48	I	8
0.618	15.7	1.94	49.3	5	9		J	9
0.634	16.1	1.99	50.6	5.5	10.5	51	K	10
0.65	16.51	2.04	51.9	6	12	52	L	11
0.666	16.92	2.09	53.1	6.5	13	53	M	13
0.682	17.32	2.14	54.4	7	14		N	14
0.698	17.73	2.19	55.7	7.5	15.5	56	O	15
0.714	18.14	2.24	57	8	17	57	P	16
0.73	18.54	2.29	58.3	8.5	18.5		Q	17
0.746	18.95	2.34	59.5	9	20	60	R	18
0.762	19.35	2.39	60.8	9.5	21	61	S	19
0.778	19.76	2.44	62.1	10	22	62	T	20
0.794	20.17	2.49	63.4	10.5	23.5	64	U	22
0.81	20.57	2.54	64.6	11	25	65	V	23
0.826	20.98	2.59	65.9	11.5	26		W	24
0.842	21.39	2.65	67.2	12	27	68	X	25