What is my ring size?

Getting my ring size.

Once you have obtained your diameter, you can search for the closest one in our International ring size conversion table, to obtain the correspondence of the size of your country.

We always recommend using more than one method to take the sizes, and thus avoid ordering a wrong size.

The best option is ask your size at a jewelry store, if not possible you can also download apps to double check.

International ring size conversion table.


PULGADAS	DIAMETRO MM	PULGADAS	PERIMETRO	US CANADA MEXICO	UK IRLANDA AUSTRALIA SUDAFRICA NUEVA ZELANDA	CHINA JAPON SUDAMERICA	INDIA	ITALIA ESPAÑA SUIZA	Austria France Germany Belgium Scandinavia (Norway, Sweden, Denmark, Finland, Iceland)
0.458	11.63	1.44	36.5	0
0.466	11.84	1.46	37.2	¼
0.474	12.04	1.49	37.8	½	A
0.482	12.24	1.51	38.5	¾	A½
0.49	12.45	1.54	39.1	1	B	1
0.498	12.65	1.56	39.7	1¼	B½
0.506	12.85	1.59	40.4	1½	C			0.5
0.514	13.06	1.61	41.0	1¾	C½		1	1
0.522	13.26	1.64	41.7	2	D	2	2	1.75
	13.36		42					2
0.53	13.46	1.67	42.3	2¼	D½			2.25
0.538	13.67	1.69	42.9	2½	E	3	3	3
0.546	13.87	1.72	43.6	2¾	E½		4	3.5
	14		44					4	44
0.554	14.07	1.74	44.2	3	F	4		4.25
0.562	14.27	1.77	44.8	3¼	F½	5	5	4.75
	14.31		45					5	45
0.57	14.48	1.79	45.5	3½	G			5.5
0.578	14.68	1.82	46.1	3¾	G½	6	6	6	46
0.586	14.88	1.84	46.8	4	H	7		6.75
	14.96		47					7	47
0.594	15.09	1.87	47.4	4¼	H½		7	7.5
0.602	15.29	1.89	48.0	4½	I	8	8	8	48
0.61	15.49	1.92	48.7	4¾	J		9	8.75
	15.59		49					9	49
0.618	15.70	1.94	49.3	5	J½	9		9.25
0.626	15.90	1.97	50.0	5¼	K		10	10	50
0.634	16.10	1.99	50.6	5½	K½	10		10.5
	16.23		51					11	51
0.642	16.31	2.02	51.2	5¾	L		11	11.25
0.65	16.51	2.04	51.9	6	L½	11	12	11.75
	16.55		52					12	52
0.658	16.71	2.07	52.5	6¼	M	12		12.5
	16.87		53					13	53
0.666	16.92	2.09	53.1	6½	M½	13	13	13.25
0.674	17.12	2.12	53.8	6¾	N			13.75
	17.18		54					14	54
0.682	17.32	2.14	54.4	7	N½	14	14	14.5
0.69	17.53	2.17	55.1	7¼	O		15	15	55
0.698	17.73	2.19	55.7	7½	O½	15		15.75
	17.82		56					16	56
0.706	17.93	2.22	56.3	7¾	P		16	16.25
0.714	18.14	2.24	57.0	8	P½	16	17	17	57
0.722	18.34	2.27	57.6	8¼	Q			17.5
	18.46		58					18	58
0.73	18.54	2.29	58.3	8½	Q½	17	18	18.25
0.738	18.75	2.32	58.9	8¾	R		19	19	59
0.746	18.95	2.34	59.5	9	R½	18		19.5
	19.1		6					20	60
0.754	19.15	2.37	60.2	9¼	S		20	20.25
0.762	19.35	2.39	60.8	9½	S½	19	21	20.75
	19.41		61					21	61
0.77	19.56	2.42	61.4	9¾	T			21.5
0.778	19.76	2.44	62.1	10	T½	20	22	22	62
0.786	19.96	2.47	62.7	10¼	U	21	23	22.75
	20.05		63					23	63
0.794	20.17	2.49	63.4	10½	U½	22		23.25
0.802	20.37	2.52	64.0	10¾	V		24	24	64
0.81	20.57	2.54	64.6	11	V½	23	25	24.75
	20.69		65					25	65
0.818	20.78	2.57	65.3	11¼	W			25.25
0.826	20.98	2.59	65.9	11½	W½	24	26	26	66
0.834	21.18	2.62	66.6	11¾	X			26.5
	21.32		67					27	67
0.842	21.39	2.65	67.2	12	X½	25	27	27.25
0.85	21.59	2.67	67.8	12¼	Y		28	27.75
	21.64		68					28	68
0.858	21.79	2.70	68.5	12½	Z	26		28.5
0.866	22.00	2.72	69.1	12¾	Z½		29	29	69
0.874	22.20	2.75	69.7	13		27	30	29.75
	22.28		70					30	70
0.882	22.40	2.77	70.4	13¼	Z1			30.5
0.89	22.61	2.80	71.0	13½			31	31	71
0.898	22.81	2.82	71.7	13¾	Z2		32	31.75
	22.92		72					32	72
0.906	23.01	2.85	72.3	14	Z3			32.25
0.914	23.22	2.87	72.9	14¼			33	33	73
0.922	23.42	2.90	73.6	14½	Z4			33.5
	23.56		74					34	74
0.93	23.62	2.92	74.2	14¾			34	34.25
0.938	23.83	2.95	74.8	15			35	34.75
	23.88		75					35	75
0.946	24.03	2.97	75.5	15¼				35.5
	24.19		76					36	76
0.954	24.23	3.00	76.1	15½			36	36.25
0.962	24.43	3.02	76.8	15¾				36.75
0.97	24.64	3.05	77.4	16			37	37.5

What is my ring size?

Getting my ring size.

What do we need?

Diameter of a ring

Perimeter of a ring

Wrong measure

Wrong measure

Correct measurement

Double check

International ring size conversion table.

College number 03641