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Ring Size Guide

You can find your ring size by using our Ring Size Guide If you need help converting your international ring size to our US ring sizes, please see the table below:

Ring Size Guide Pdf

Finger Circumference 
(mm)

Ring Inside Diameter 
(mm)

UK

Europe

USA

48.7

15.5

J

   

49.3

15.7

49

5

50.0

15.9

K

50

 

50.6

16.1

 

51.2

16.3

L

51

 

51.9

16.5

52

6

52.5

16.7

M

   

53.1

16.9

53

53.8

17.1

N

   

54.4

17.3

54

7

55.1

17.5

O

55

 

55.7

17.7

 

56.3

17.9

P

56

 

57.0

18.1

57

8

57.6

18.3

Q

   

58.3

18.5

58

58.9

18.8

R

59

 

59.5

19.0

 

9

60.2

19.2

S

60

 

60.8

19.4

61

61.4

19.6

T

   

62.1

19.8

62

10

62.7

20.0

U

   

63.4

20.2

63

10½

64.0

20.4

V

64

 

64.6

20.6

 

11

65.3

20.8

W

65

 

65.9

21.0

66

11½

66.6

21.2

X

   

67.2

21.4

67

12

67.8

21.6

Y

   

68.5

21.8

Z

68

12½

69.1

22.0

69

 

69.7

22.2

 

70

13

70.4

22.4

Z+

   

71.0

22.6

   

13½