Ring Size Guide

Internal Diameter (mm) UK US EU China

14.0

F

3.25

44

5

14.5

G

3.75

45

6

14.8

H

4.25

46.5

7

15.2

I

4.5

47.5

8

15.6

J

5

48.5

9

16.0

K

5.5

50

10

16.4

L

6

51

11

16.8

M

6.5

52.5

12

17.2

N

6.75

53.5

13

17.4

O

7

55

14

18.0

P

7.5

56

15

18.4

Q

8

57.5

16

19.0

R

8.5

59

17

19.2

S

9

60.25

19

19.5

T

9.5

62.75

19.5

20.0

U

10

63

21

20.3

V

10.5

64

23

20.7

W

11

65

22

21.1

X

11.5

66.5

23

21.4

Y

12

67.5

24

21.8

Z

12.5

69

25