Education Center

Jewelry Sizing Guide

International Ring Size Chart

All of our rings are crafted in standard US sizes. View the chart below to see how US sizes map to finger circumference and convert to international sizes. Engagement rings, wedding bands, and fashion rings all follow the same size format.

US, Canada, Mexico	Inside Circumference		Inside Diameter		UK, Australia, Ireland, New Zealand, South Africa	France	Germany, Ukraine, Asia	India, China, Japan, South America, Turkey, Israel	Italy, Spain, Netherlands, Switzerland
US, Canada, Mexico	IN	MM	IN	MM	UK, Australia, Ireland, New Zealand, South Africa	France	Germany, Ukraine, Asia	India, China, Japan, South America, Turkey, Israel	Italy, Spain, Netherlands, Switzerland
3	1.74	44.2	0,555	14.1	F	44	14	4	4
3.25	1.77	44.8	0,562	14.3	F 1/2	44.625	14.25	-	4.625
3.5	1.79	45.5	0,57	14.5	G	45.25	14.5	5	5.25
3.75	1.82	46.1	0,578	14.7	G 1/2	45.875	14.75	6	5.875
4	1.84	46.8	0,586	14.9	H	46.5	15	7	6.5
4.25	1.87	47.4	0,594	15.1	H 1/2	47.125	15.25	-	7.125
4.5	1.89	48	0,602	15.3	I	47.75	15.5	8	7.75
4.75	1.92	48.7	0,61	15.5	J	48.375	-	-	8.375
5	1.94	49.3	0,618	15.7	J 1/2	49	15.75	9	9
5.25	1.97	50	0,625	15.9	K	49.625	16	-	9.625
5.5	1.99	50.6	0,633	16.1	K 1/2	50.25	16.25	10	10.25
5.75	2.02	51.2	0,641	16.3	L	50.875	-	11	10.875
6	2.04	51.9	0,649	16.5	L 1/2	51.5	16.5	12	11.5
6.25	2.07	52.5	0,657	16.7	M	52.125	16.75	-	12.125
6.5	2.09	53.1	0,665	16.9	M 1/2	52.75	17	13	12.75
6.75	2.12	53.8	0,673	17.1	N	53.375	-	-	13.375
7	2.14	54.4	0,681	17.3	N 1/2	54	17.25	14	14
7.25	2.17	55.1	0,688	17.5	O	54.625	17.5	-	14.625
7.5	2.19	55.7	0,696	17.7	O 1/2	55.25	17.75	15	15.25
7.75	2.22	56.3	0,704	17.9	P	55.875	-	-	15.875
8	2.24	57	0,712	18.1	P 1/2	56.5	18	16	16.5
8.25	2.27	57.6	0,72	18.3	Q	57.125	18.25	-	7.125
8.5	2.29	58.3	0,728	18.5	Q 1/2	57.75	18.5	17	17.75
8.75	2.32	58.9	0,74	18.8	R	58.375	18.75	-	18.375
9	2.34	59.5	0,748	19	R 1/2	59	19	18	19
9.25	2.37	60.2	0,755	19.2	S	59.625	19.25	-	19.625
9.5	2.39	60.8	0,763	19.4	S 1/2	60.25	19.5	19	20.25
9.75	2.42	61.4	0,771	19.6	T	60.875	19.75	-	20.875
10	2.44	62.1	0,779	19.8	T 1/2	61.5	20	20	21.25
10.25	2.47	62.7	0,787	20	U	62.125	20.25	21	22.125
10.5	2.49	63.4	0,795	20.2	U 1/2	62.75	20.5	22	22.75
10.75	2.52	64	0,803	20.4	V	63.375	-	-	23.375
11	2.54	64.6	0,811	20.6	V 1/2	64	20.75	23	24
11.25	2.57	65.3	0,818	20.8	W	64.625	-	-	24.625
11.5	2.59	65.9	0,826	21	W 1/2	65.25	21	24	25.25
11.75	2.62	66.6	0,834	21.2	X	65.875	-	-	25.875
12	2.65	67.2	0,842	21.4	X 1/2	66.5	21.25	25	26.5
12.25	2.68	68.1	0,85	21.6	Y	67.125	21.5	-	27.125
12.5	2.71	68.5	0,858	21.8	Z	67.75	21.75	26	27.75
12.75	2.72	69.1	0,866	22	Z 1/2	68.375	-	-	28.375
13	2.75	69.7	0,874	22.2	-	69	22	27	29
13.25	2.77	70.3	0,882	22.4	-	69.625	22.25	-	29.625
13.5	2.8	71	0,89	22.6	-	70.25	22.5	28	30.25
13.75	2.82	71.7	0,898	22.8	-	70.875	-	-	30.875
14	2.85	72.3	0,906	23	-	71.5	23	29	31.5