How To Find Your Finger Ring Size

The Official
International Ring
Size Conversion
Chart

Welcome to the No. 1 source for determining your finger and ring size in all of the world's international ring sizing standards. The information presented here has been compiled from many sources in various countries to help you determine your local ring size compared to those from other countries. The standards included in this resource are from the The states & Canada, United Kingdom & Australia, France & Russia, Germany, Japan and Switzerland.

With the standing increase in consumers purchasing goods through world wide online shopping, at that place is a requirement to ensure that potentially expensive purchases like rings are done properly right from the start. This resource should assist you with that.

Resources — Cheque Your Finger Size

A tool to determine your band size. Check here -->

International Band Size Conversion Chart

Within Diameter		Inside Circumference		Sizes
MM	Inches	MM	Inches	British & Australian	US & Canada	French & Russian	German language	Japanese	Swiss
ix.91	0.390	31.13	1.22	-	0000	-	-	-	-
10.72	0.442	33.68	1.39	-	00	-	-	-	-
11.53	0.454	36.22	1.43	-	0	-	-	-	-
xi.95	0.474	37.54	1.49	A	1/2	-	-	-	-
12.18	0.482	38.26	one.51	A 1/2	3/4	-	-	-	-
12.37	0.487	38.86	one.53	B	1	-	-	1	-
12.lx	0.496	39.58	1.56	B 1/ii	i ane/4	-	-	-	-
12.78	0.503	40.15	1.58	C	ane ane/two	-	-	-	-
xiii.00	0.512	40.84	1.61	C 1/ii	ane 3/four	-	-	-	-
13.21	0.520	41.50	1.63	D	2	41 ane/2	13 1/2	2	1 1/2
13.41	0.528	42.13	1.66	D 1/2	ii i/4	-	-	-	-
thirteen.61	0.536	42.76	1.68	E	2 1/2	42 3/four	thirteen 3/iv	3	2 iii/4
13.83	0.544	43.45	one.71	E one/two	2 three/4	-	-	-	-
14.05	0.553	44.14	1.74	F	iii	44	xiv	four	iv
fourteen.fifteen	0.557	44.45	1.75	F 1/two	3 1/eight	-	-	-	-
14.25	0.561	44.77	1.76	F iii/4	three i/4	-	-	-	-
14.36	0.565	45.11	1.77	G	three 3/8	45 1/4	-	5	5 ane/4
xiv.45	0.569	45.40	1.79	G 1/4	3 1/2	-	14 1/2	-	-
14.56	0.573	45.74	1.80	G 1/2	3 5/viii	-	-	6	-
14.65	0.577	46.02	1.81	H	3 3/4	46 1/2	-	-	6 1/2
fourteen.86	0.585	46.68	1.84	H 1/2	four	-	15	seven	-
15.04	0.592	47.25	i.86	I	iv 1/4	47 3/4	-	-	7 iii/iv
15.27	0.601	47.97	one.89	I 1/2	4 1/2	-	15 1/four	eight	-
xv.40	0.606	48.38	1.90	J	4 5/8	49	fifteen 1/ii	-	9
15.53	0.611	48.79	1.92	J ane/iv	4 iii/4	-	-	-	-
15.70	0.618	49.32	1.94	J one/2	v	-	15 3/4	nine	-
15.80	0.622	49.64	1.95	Grand	5 one/8	50	-	-	10
xv.xc	0.626	49.95	1.97	K 1/four	v 1/4	-	-	-	-
16.00	0.630	50.27	ane.98	Yard 1/two	v 3/eight	-	-	10	-
xvi.x	0.634	l.58	1.99	50	5 1/2	51 3/4	16	-	11 iii/4
16.30	0.642	51.21	2.02	L 1/four	5 iii/4	-	-	-	-
16.41	0.646	51.55	2.03	L 1/two	5 7/viii	-	-	-	-
sixteen.51	0.650	51.87	2.04	Grand	6	52 3/iv	xvi 1/two	12	12 3/4
16.71	0.658	52.50	2.07	One thousand 1/2	vi 1/4	-	-	-	-
sixteen.92	0.666	53.16	2.09	N	6 i/2	54	17	13	14
17.thirteen	0.674	53.82	2.12	N i/2	six iii/4	-	-	-	-
17.35	0.683	54.51	ii.15	O	7	55 one/4	17 1/4	fourteen	15 ane/iv
17.45	0.687	54.82	ii.16	O 1/2	seven 1/four	-	-	-	-
17.75	0.699	55.76	2.20	P	vii 1/two	56 ane/2	17 iii/4	15	16 1/two
17.97	0.707	56.45	2.22	P 1/2	7 3/4	-	-	-	-
eighteen.nineteen	0.716	57.15	2.25	Q	8	57 3/4	18	16	17 3/4
18.35	0.722	57.65	ii.27	Q ane/2	8 1/four	-	-	-	-
xviii.53	0.729	58.21	ii.29	Q 3/4	8 one/two	-	xviii 1/2	17	-
eighteen.61	0.733	58.47	2.30	R	viii 5/8	59	-	-	nineteen
18.69	0.736	58.72	ii.31	R one/four	8 iii/4	-	-	-	-
18.eighty	0.740	59.06	2.32	R 1/two	eight 7/8	-	-	-	-
18.89	0.748	59.34	2.35	R 3/4	ix	-	19	eighteen	-
19.x	0.752	60.00	2.36	Due south	9 i/8	sixty 1/iv	-	-	20 1/four
19.22	0.757	threescore.38	ii.38	S ane/4	nine 1/four	-	-	-	-
19.31	0.760	threescore.66	ii.39	S 1/2	9 3/8	-	-	-	-
19.41	0.764	60.98	2.forty	Due south 3/4	9 1/2	-	19 1/2	19	-
19.51	0.768	61.29	2.41	T	9 5/8	61 ane/2	-	-	21 1/2
19.62	0.772	61.64	2.43	T one/4	9 3/iv	-	-	-	-
nineteen.84	0.781	62.33	ii.45	T 1/2	10	-	20	20	-
xx.02	0.788	62.89	two.48	U	x 1/4	62 three/four	-	21	22 3/4
xx.20	0.797	63.46	2.50	U ane/2	10 1/ii	-	20 1/4	22	-
20.32	0.800	63.84	2.51	V	10 5/8	63	-	-	23 iii/four
20.44	0.805	64.21	2.53	V 1/4	ten three/4	-	-	-	-
20.68	0.814	64.97	2.56	V 1/2	xi	-	20 three/four	23	-
20.76	0.817	65.22	two.57	Due west	xi 1/eight	65	-	-	25
twenty.85	0.821	65.50	2.58	Westward 1/iv	eleven i/4	-	-	-	-
20.94	0.824	65.78	2.59	W one/2	11 3/8	-	-	-	-
21.08	0.830	66.22	2.61	W iii/four	eleven 1/ii	-	21	24	-
21.18	0.834	66.54	2.62	X	11 5/8	66 1/4	-	-	26 1/4
21.24	0.836	66.73	two.63	X i/4	xi 3/iv	-	-	-	-
21.thirty	0.839	66.92	2.64	10 ane/2	11 7/8	-	-	-	-
21.49	0.846	67.51	2.66	Y	12	67 i/2	21 1/iv	25	27 one/ii
21.69	0.854	68.xiv	ii.68	Y 1/2	12 1/4	-	-	-	-
21.89	0.862	68.77	2.71	Z	12 1/two	68 3/iv	21 3/four	26	28 three/iv
22.10	0.870	69.43	ii.73	Z +1/ii	12 iii/4	-	-	-	-
22.33	0.879	70.xv	2.76	Z+1	13	-	22	27	-
22.lx	0.890	71.00	two.80	Z+one.5	13.5	-	-	-	-
22.69	0.893	71.28	ii.81	Z+2	-	-	-	-	-
22.92	0.902	72.00	2.83	Z+2.5	-	-	-	-	-
23.06	0.908	72.45	2.85	Z+3	-	-	-	-	-
23.24	0.915	73.01	2.87	Z+iii.5	-	-	-	-	-
23.47	0.924	73.73	2.90	Z+four	-	-	-	-	-
23.55	0.927	73.98	two.91	Z+4.5	-	-	-	-	-
23.87	0.940	74.99	2.95	Z+five	-	-	-	-	-
24.27	0.956	76.25	3.00	Z+6	-	-	-	-	-