Ring Size Guide

Inside Diameter (mm)	Inside Diameter (inches)	Inside Circumference (mm)	Inside Circumference (mm)	Ring Size
15.70	0.618	49.32	1.94	5
16.10	0.634	50.58	1.99	5 1/2
16.51	0.650	51.87	2.04	6
16.92	0.666	53.16	2.09	6 1/2
17.35	0.683	54.51	2.15	7
17.75	0.699	55.76	2.20	7 1/2
18.19	0.716	57.15	2.25	8
18.53	0.729	58.21	2.29	8 1/2
18.89	0.748	59.34	2.35	9
19.41	0.764	60.98	2.40	9 1/2
19.84	0.781	62.33	2.45	10