Ring size

  • INTERNATIONAL RING SIZE CHART

 

Circumference (mm)

Diameter (mm)

Europe

UK & Australia

USA & Canada

Switzerland

48.7

15.5

49

J

5

10

50.0

15.9

50

K

11

51.2

16.3

51

L

6

12

52.5

16.7

52

M

13

53.8

17.1

53

N

7

14½

55.1

17.5

55

O

16

56.3

17.9

56

P

8

17

57.6

18.3

58

Q

18

58.9

18.8

59

R

9

19

60.2

19.2

60

S

20