Ring Size Chart

JMW rings are based on the Japanese ring sizing system. Please refer to the detailed size conversion chart below to find your perfect fit with accurate measurements.

 

   

JMW Ring Size Chart

   

 

 

     
               

Cir.(mm)

Dia(mm)

Japan /Singapore

Hong Kong

China

USA/

Canada

UK /Australia

Europe

44.2

14.1

4

6

6

3

F 1/2

44

44.8

14.3

5

7

   

G

45

45.5

14.5

 

7.5

7

3 1/2

G 1/2

 

46.1

14.7

6

8

   

H

46

46.8

14.9

7

9

8

4

H 1/2

47

47.4

15.1

   

9

 

I

 

48

15.3

8

10

 

4 1/2

I 1/2

48

48.7

15.5

       

J

 

49.3

15.7

9

11

10

5

J 1/2

49

50

15.9

       

K

50

50.6

16.1

10

12

11

5 1/2

K 1/2

 

51.2

16.3

       

L

51

51.9

16.5

11

13

12

6

L 1/2

52

52.5

16.7

12

14

13

 

M

 

53.1

16.9

13

14.5

 

6 1/2

M 1/2

53

53.8

17.1

 

15

14

 

N

 

54.4

17.3

14

16

 

7

N 1/2

54

55.1

17.5

   

15

 

O

55

55.7

17.7

15

17

 

7 1/2

O 1/2

 

56.3

17.9

   

16

 

P

56

57

18.1

16

 

17

8

P 1/2

57

57.2

18.2

 

18

       

57.6

18.3

       

Q

 

58.3

18.5

17

19

18

8 1/2

Q 1/2

58

58.9

18.8

 

20

   

R

59

59.5

19

18

20.5

19

9

R 1/2

 

60.2

19.2

 

21

20

 

S

60

60.8

19.4

19

22

 

9 1/2

S 1/2

61

61.4

19.6

   

21

 

T

 

62.1

19.8

20

23

 

10

T 1/2

62

62.7

20

21

 

22

 

U

 

63.4

20.2

22

24

 

10 1/2

U 1/2

63

64

20.4

   

23

 

V

64

64.6

20.6

23

25

 

11

V1/2

 

65.3

20.8

   

24

 

W

65

65.9

21

24

26

25

11 1/2

W 1/2

66

66.6

21.2

 

27

   

X

 

67.2

21.4

25

 

26

12

X1/2

67

67.8

21.6

 

28

   

Y

 

68.5

21.8

26

   

12 1/2

Z

68

69.1

22

 

29

   

Z 1/2

69

69.7

22.2

27

30

 

13

 

70

70.4

22.4

       

Z+1

 

71

22.6

     

13 1/2

Z+2