Ring Size Guide

INTERNATIONAL RING SIZE CHART

Find your perfect fit with our international size chart.

US / CA	UK / AU / IE / NZ	JP / IN / CN / SA	ES / IT / NL / CH	Inside Diameter (MM)	Circumference (MM)
3	F	4	4.25	14.05	44.14
3.25	F.5	-	4.75	14.24	44.74
3.50	G	5	5.5	14.45	45.40
4	H	7	6.75	14.88	46.80
4.25	H.5	-	7.5	15.09	47.40
4.5	I	8	8	15.29	48.00
4.75	J	-	8.75	15.49	48.70
5	J 1/2	9	9.25	15.70	49.30
5.25	K	-	10	15.90	50.00
5.5	K 1/2	10	10.5	16.10	50.60
5.75	L	-	11.25	16.31	51.20
6	L 1/2	11	11.75	16.51	51.90
6.25	M	12	12.5	16.71	52.50
6.5	M 1/2	13	13.25	16.92	53.10
6.75	N	-	13.75	17.12	53.80
7	N 1/2	14	14.5	17.32	54.40
7.25	O	-	15	17.53	55.10
7.5	O 1/2	15	15.75	17.73	55.70
7.75	P	-	16.25	17.93	56.30
8	P 1/2	16	17	18.14	57.00
8.25	Q	-	17.5	18.34	57.60
8.5	Q 1/2	17	18.25	18.54	58.30
8.75	R	-	19	18.75	58.90
9	R 1/2	18	19.5	18.95	59.50
9.25	S	-	20.25	19.15	60.20
9.5	S 1/2	19	20.75	19.35	60.80
9.75	T	-	21.5	19.56	61.40
10	T 1/2	20	22	19.76	62.10
10.25	U	21	22.75	19.96	62.70
10.5	U 1/2	22	23.25	20.17	63.40
10.75	V	-	24	20.37	64.00
11	V 1/2	23	24.75	20.57	64.60
11.25	W	-	25.25	20.78	65.30
11.5	W 1/2	24	26	20.98	65.90
11.75	X	-	26.5	21.18	66.60
12	X 1/2	25	27.25	21.39	67.20
12.25	Y	-	27.75	21.59	67.80
12.5	Z	26	28.5	21.79	68.50
12.75	Z 1/2	-	29	22.00	69.10
13	-	27	29.75	22.20	69.70
13.25	Z1	-	30.5	22.40	70.40
13.5	-	-	31	22.61	71.00
13.75	Z2	-	31.75	22.81	71.70
14	Z3	-	32.25	23.01	72.30
14.25	-	-	33	23.22	72.90
14.5	Z4	-	33.5	23.42	73.60
14.75	-	-	34.25	23.62	74.20
15	-	-	34.75	24.23	76.10