International Ring Size Chart

Please refer to this chart to order or to decide if the one-off piece would fit you.

 

DIAMETER UNITED STATES + CANADA EUROPE UNITED KINGDOM + AUSTRALIA SINGAPORE + JAPAN HONG KONG SWITZERLAND

14.1mm

3

44

F 1/2

4

6

4

14.3mm

3.25

45

G

5

5.25

14.5mm

3.5

G 1/2

7

14.7mm

3.75

46

H

6

6.5

14.9mm

4

47

H 1/2

7

8

15.1mm

4.25

I

7.75

15.3mm

4.5

48

I 1/2

8

9

15.5mm

4.75

J

10

9

15.7mm

5

49

J 1/2

9

15.9mm

5.25

50

K

11

10

16.1mm

5.5

K 1/2

10

16.3mm

5.75

51

L

12

11.75

16.5mm

6

52

L 1/2

11

13

12.75

16.7mm

6.25

M

12

16.9mm

6.5

53

M 1/2

13

14

14

17.1mm

6.75

N

17.3mm

7

54

N 1/2

14

15

15.25

17.5mm

7.25

55

O

16

17.7mm

7.5

O 1/2

15

16.5

17.9mm

7.75

56

P

17

18.1mm

8

57

P 1/2

16

17.75

18.3mm

8.25

Q

18

18.5mm

8.5

58

Q 1/2

17

18.8mm

8.75

59

R

19

19

19mm

9

R 1/2

18

20

19.2mm

9.25

60

S

20.25

19.4mm

9.5

61

S 1/2

19

21

19.6mm

9.75

T

21.5

19.8mm

10

62

T 1/2

20

22

20mm

10.25

U

21

20.2mm

10.5

63

U 1/2

22

23

22.75

20.4mm

10.75

64

V

24

20.6mm

11

V 1/2

23

20.8mm

11.25

65

W

25

25

21mm

11.5

66

W 1/2

24

21.2mm

11.75

X

26

21.4mm

12

67

X 1/2

25

27.5

21.6mm

12.25

Y

27

21.8mm

12.5

68

Y 1/2

26

28.75

22mm

12.75

69

Z

22.2mm

13

70

Z 1/2

27