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Ring Size Guide

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US Size

UK Size

EU Size

Inner Circumference (mm)

3

F

44

44.2

3.5

G

45.5

45.5

4

H

47

46.8

4.5

I

48

48.0

5

J 1/2

49

49.3

5.5

K 1/2

50.5

50.6

6

L 1/2

52

51.9

6.5

M 1/2

53

53.1

7

N 1/2

54

54.4

7.5

O 1/2

55.5

55.7

8

P 1/2

57

57.0

8.5

Q 1/2

58

58.3

9

R 1/2

59

59.5

9.5

S 1/2

60.5

60.8

10

T 1/2

62

62.1

10.5

U 1/2

63

63.4

11

V 1/2

64

64.6

11.5

W 1/2

65.5

65.9

12

X 1/2

67

67.2

12.5

Z

68

68.5

13

Z+1

69

69.7

13.5

Z+2

70

71.0