R Sizing Chart

Find Your Perfect Fit

Use the ring size chart below to determine your ideal size for a comfortable and secure fit. If you're between sizes, we recommend sizing up.

Size	EU	UK	US	HK	CIRCUMFERENCE	INTERNAL DIAMETER
3	44	F ½	3	0.23	1.72	0.54
4	47	H ½	4	0.31	1.83	0.58
5	49	J ½	5	0.39	1.92	0.61
6	52	L ½	6	0.50	2.02	0.64
7	54	N ½	7	0.58	2.12	0.67
8	57	P ½	8	0.70	2.21	0.70
9	60	R ½	9	0.78	2.32	0.73
10	62	T ½	10	0.85	2.42	0.77
11	65	V ½	11	0.97	2.51	0.80
12	67	X ½	12	1.05	2.62	0.83