Ring Size Conversion Chart

mm Ø  

EU

DE

NL, BE

FR, IT

UK

CH

US

16

10

50

16

10

K

10

5

16.5

12

52

16,5

12

L1/2

12

6

17

14

54

17

14

N

14

7

18

16

56

18

16

P

16

8