Ring Sizing

See our handy ring sizing conversion chart below.

If you are unsure, our staff are more than happy to measure your ring size in store using a professional ring sizing tool.

Inside diameter	Inside circumference	Sizing systems
mm	mm	United Kingdom Ireland Australia South Africa New Zealand	United States Canada Mexico	China Japan South Korea South America	Italy Spain Netherlands Switzerland
11.63	36.5		0
11.84	37.2		¼
12.04	37.8	A	½
12.24	38.5	A½	¾
12.45	39.1	B	1	1
12.65	39.7	B½	1¼
12.85	40.4	C	1½		0.5
13.06	41	C½	1¾		1
13.26	41.7	D	2	2	1.75
13.46	42.3	D½	2¼		2.25
13.67	42.9	E	2½	3	3
13.87	43.6	E½	2¾		3.5
14.07	44.2	F	3	4	4.25
14.27	44.8	F½	3¼	5	4.75
14.48	45.5	G	3½		5.5
14.68	46.1	G½	3¾	6	6
14.88	46.8	H	4	7	6.75
15.09	47.4	H½	4¼		7.5
15.29	48	I	4½	8	8
15.49	48.7	J	4¾		8.75
15.7	49.3	J½	5	9	9.25
15.9	50	K	5¼		10
16.1	50.6	K½	5½	10	10.5
16.31	51.2	L	5¾		11.25
16.51	51.9	L½	6	11	11.75
16.71	52.5	M	6¼	12	12.5
16.92	53.1	M½	6½	13	13.25
17.12	53.8	N	6¾		13.75
17.32	54.4	N½	7	14	14.5
17.53	55.1	O	7¼		15
17.73	55.7	O½	7½	15	15.75
17.93	56.3	P	7¾		16.25
18.14	57	P½	8	16	17
18.34	57.6	Q	8¼		17.5
18.54	58.3	Q½	8½	17	18.25
18.75	58.9	R	8¾		19
18.95	59.5	R½	9	18	19.5
19.15	60.2	S	9¼		20.25
19.35	60.8	S½	9½	19	20.75
19.56	61.4	T	9¾		21.5
19.76	62.1	T½	10	20	22
19.96	62.7	U	10¼	21	22.75
20.17	63.4	U½	10½	22	23.25
20.37	64	V	10¾		24
20.57	64.6	V½	11	23	24.75
20.78	65.3	W	11¼		25.25
20.98	65.9	W½	11½	24	26
21.18	66.6	X	11¾		26.5
21.39	67.2	X½	12	25	27.25
21.59	67.8	Y	12¼		27.75
21.79	68.5	Z	12½	26	28.5
22	69.1	Z½	12¾		29
22.2	69.7		13	27	29.75
22.4	70.4	Z1	13¼		30.5
22.61	71		13½		31
22.81	71.7	Z2	13¾		31.75
23.01	72.3	Z3	14		32.25
23.22	72.9		14¼		33
23.42	73.6	Z4	14½		33.5
23.62	74.2		14¾		34.25
23.83	74.8		15		34.75
24.03	75.5		15¼		35.5
24.23	76.1		15½		36.25
24.43	76.8		15¾		36.75
24.64	77.4		16		37.5

01303 252654

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35 Sandgate Road, Folkestone, Kent, CT20 1SB