Ring Size Chart

International Ring Sizes

International Ring Sizes

UK, Ireland, Australia, New Zealand

USA, Canada

EU Size

Inside Circumference (mm)

Inside Diameter (mm)

China, India, Japan, South Africa

Spain, Italy, Netherlands, Switzerland

UK, Ireland, Australia, New Zealand

USA, Canada

EU Size

Inside Circumference (mm)

Inside Diameter (mm)

China, India, Japan, South Africa

Spain, Italy, Netherlands, Switzerland

D

2

41.7

13.26

2

1.5

P

7¾

56.3

17.93

D½

2¼

42.3

13.46

P½

8

57

18.14

16

17.75

E

2½

42.9

13.67

3

2.75

Q

8¼

57.6

18.34

E½

2¾

43.6

13.87

Q½

8½

58.3

18.54

17

F

3

44.2

14.07

4

4

R

8¾

58.9

18.75

19

F½

3¼

44.8

14.27

5

5.25

R½

9

59.5

18.95

18

G

3½

45.5

14.48

S

9¼

60.2

19.15

20.25

G½

3¾

46.1

14.68

6

6.5

S½

9½

60.8

19.35

19

H

4

46.8

14.88

7

T

9¾

61.4

19.56

21.5

H½

4¼

47.4

15.09

7.75

T½

10

62.1

19.76

20

I

4½

48

15.29

8

U

10¼

62.7

19.96

21

J

4¾

48.7

15.49

9

U½

10½

63.4

20.17

22

22.75

J½

5

49.3

15.7

9

V

10¾

64

20.37

K

5¼

50

15.9

10

V½

11

64.6

20.57

23

K½

5½

50.6

16.1

10

W

11¼

65.3

20.78

25

L

5¾

51.2

16.31

11.75

W½

11½

65.9

20.98

24

L½

6

51.9

16.51

11

12.75

X

11¾

66.6

21.18

M

6¼

52.5

16.71

12

X½

12

67.2

21.39

25

27.5

M½

6½

53.1

16.92

13

14

Y

12¼

67.8

21.59

N

6¾

53.8

17.12

Z

12½

68.5

21.79

26

28.75

N½

7

54.4

17.32

14

15.25

Z1

13¼

70.4

22.4

O

7¼

55.1

17.53

Z2

13¾

71.7

22.81

O½

7½

55.7

17.73

15

16.5

Z3

14

72.3

23.01

Z4

14½

73.6

23.42