Ring size chart

With our ring size chart you can find the right ring size in no time.

In the following table we have compiled all common ring sizes for you.

Inner diameter (mm)	DE	USA / CA	GB	FR	JP
12.7	40	1.4 (1)	C	0	0.2
13	41	1.8 (1-)	C 1/2	1	1.1
13.4	42	2.2 (2)	D 1/2	2	2.1
13.7	43	2.6 (2-)	E 1/2	3	3.1
14	44	3.0 (2-)	F	4	4
14.3	45	3.4 (3)	G	5	5
14.6	46	3.7 (3-)	G 1/2	6	5.9
15	47	4.1 (4)	H 1/2	7	6.9
15.3	48	4.5 (4-)	I 1/2	8	7.8
15.6	49	4.9 (4-)	J	9	8.8
15.9	50	5.3 (5)	K	10	9.7
16.2	51	5.7 (5-)	K 1/2	11	10.7
16.6	52	6.1 (6)	L 1/2	12	11.6
16.9	53	6.4 (6)	M 1/2	13	12.6
17.2	54	6.8 (6-)	N	14	13.6
17.5	55	7.2 (7)	O	15	14.5
17.8	56	7.6 (7-)	P	16	15.5
18.1	57	8.0 (7-)	P 1/2	17	16.4
18.5	58	8.4 (8)	Q 1/2	18	17.4
18.8	59	8.7 (8-)	R	19	18.3
19.1	60	9.1 (9)	S	20	19.3
19.4	61	9.5 (9-)	T	21	20.2
19.7	62	9.9 (9-)	T 1/2	22	21.2
20.1	63	10.3 (10)	U 1/2	23	22.2
20.4	64	10.7 (10-)	V	24	23.1
20.7	65	11.0 (11)	W	25	24.1
21	66	11.4 (11)	X	26	25
21.3	67	11.8 (11-)	x 1/2	27	26
21.6	68	12.2 (12)	Y 1/2	28	26.9
22	69	12.6 (12-)	Z 1/2	29	27.9
22.3	70	13.0 (12-)	Z +1	30	28.8

Trust our size chart and effortlessly find the perfect ring size – for a ring that fits you perfectly.