Ring Size Chart



SIZE (INCHES)

SIZE (MM)

DIAMETER (MM)

 UK

 USA

 JAPAN

 GERMANY

 FRANCE

 ITALY

 SWITZERLAND

1 14/16

48

15.27

I - 1/2

4 1/2

8

15 1/4

--

8

--

1 15/16

49

15.70

J 1/2

5

9

15 3/4

--

9.5

--

2

51

16.10

L

5 1/2

11

16

51 3/4

10.5

11 3/4

2 1/16

52

16.51

M

6

12

16 1/2

52 3/4

11.5

12 3/4

2 2/16

53

16.92

N

6 1/2

13

17

54

13

14

2 3/16

55

17.35

O

7

14

17 1/4

55 1/4

14.5

15 1/4

2 4/16

56

17.75

P

7 1/2

15

17 3/4

56 1/2

16

16 1/2

2 5/16

57

18.19

Q

8

16

18

57 3/4

17

17 3/4

2 6/16

58

18.53

Q 1/2

8 1/2

17

18 1/2

58

18.5

--

2 7/16

59

18.89

R 1/2

9

18

19

59 1/4

19.5

--

2 8/16

61

19.41

S 1/2

9 1/2

19

19 1/2

60 1/2

21

--

2 9/16

62

19.84

T 1/2

10

20

20

61 3/4

22

--

2 10/16

63

20.20

U 1/2

10 1/2

22

20 1/4

62 3/4

23.5

--

2 11/16

65

20.68

V 1/2

11

23

20 3/4

64 1/4

25

--

2 12/16

66

21.08

W 1/2

11 1/2

24

21

66

26.5

--

2 13/16

68

21.49

Y

12

25

21 1/4

67 1/2

27.5

27 1/2

2 14/16

69

21.89

Z

12 1/2

26

21 3/4

68 3/4

28.5

28 3/4

2 15/16

70

22.33

--

13

27

22

--

30

--