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RING SIZE

 

INTERNATIONAL RING SIZES

Size in MM

US & Canada

Great Britain

Japan

France

Switzerland

Germany

44.1

3

F

4

44

4

14

45.4

3 1/2

G

5

45 1/4

5 1/4

14 1/2

46.7

4

H 1/2

7

46 1/2

6 1/2

15

48.0

4 1/2

I 1/2

8

47 3/4

7 3/4

15 1/2

49.2

5

J 1/2

9

49

9

15 3/4

50.5

5 1/2

K 1/2

10

50 1/4

10 1/4

16 1/4

51.8

6

L 1/2

12

51 1/2

11 1/2

16 1/2

53.1

6 1/2

M 1/2

13

52 3/4

12 3/4

17

54.3

7

O

14

54

14

17 1/4

55.6

7 1/2

P

15

55 1/4

15 1/4

17 3/4

56.9

8

Q

16

56 1/2

16 1/2

18

58.2

8 1/2

R

17

57 3/4

17 3/4

18 1/2

59.4

9

S

18

59

19

19

60.7

9 1/2

—

19

60 1/4

20 1/4

19 1/2

62.0

10

T 1/2

20

61 1/2

21 1/2

20

63.3

10 1/2

U 1/2

22

62 3/4

22 3/4

20 1/2

64.5

11

V 1/2

23

64

24

20 3/4

65.8

11 1/2

W 1/2

24

65 1/4

25 1/4

21

67.1

12

Y

25

66 1/2

26 1/2

21 1/4

68.3

12 1/2

Z

26

67 3/4

27 3/4

21 3/4

69.6

13

—

27

69

29

22

 

To determine your ring size, do the following:

  • Use a piece of string or dental floss and wrap it around the base of your finger.
  • Use a pen to mark the point on the string where the end meets.
  • Use a millimetre ruler to measure the string.
  • Choose the closest measurement to the chart above to find your ring size.

Tips for best results:

  • Allow enough room to accommodate your knuckle.
  • Bear in mind, different fingers on the same and the opposite hand may have different sizes. Therefore, measure the specific finger on which you are planning to wear the ring.
  • Measure your finger at the end of the day when your finger is likely to be largest.