How to measure your size

Size Chart

Ring

Size (Japanese)	Inner Circumference (mm)
5	45.7
6	47.1
7	48.0
8	49.3
9	50.3
10	51.5
11	52.6
12	53.8
13	54.9
14	56.1
15	57.2
16	58.3
17	59.5
18	60.6
19	61.8
20	62.9

Questions?

If you have any questions about choosing a size, please feel free to contact us.