Size Guide Rings

Find your rings by size!  Use our chart as your reference and click on our size options below to find the right ring for you!

Use your ring as a sizer

  • Take one of your rings that fits perfectly on your thumb.
  • Measure with a ruler the inner diameter (inner width) of your ring.
  • Use the chart to determine your ring size inner diameter.

Use your string as a sizer

  • Take a piece of string, ribbon, thread or a thin strip of paper and wrap it around your finger, close to the knuckle
  • With a pen, carefully mark the spot where the string overlaps with its end and either hold it up to a ruler that haw millimeter measurements.
  • Use the chart to determine your ring size.

Diameter

Perimeter

Sizes

mm

mm

UK

USA

Greece

Germany

Japan

Switzerland

14.05

44.14

F

3

44

14

4

4

14.25

44.77

F 3/4

3 1/4

-

-

-

-

14.36

45.11

G

3 3/8

45 1/4

-

5

5 1/4

14.45

45.40

G 1/4

3 1/2

-

14 1/2

-

-

14.56

45.74

G 1/2

3 5/8

-

-

6

-

14.65

46.02

H

3 3/4

46 1/2

-

-

6 1/2

14.86

46.68

H 1/2

4

-

15

7

-

15.04

47.25

I

4 1/4

47 3/4

-

-

7 3/4

15.27

47.97

I 1/2

4 1/2

-

15 1/4

8

-

15.40

48.38

J

4 5/8

49

15 1/2

-

9

15.53

48.79

J 1/4

4 3/4

-

-

-

-

15.70

49.32

J 1/2

5

-

15 3/4

9

-

15.80

49.64

K

5 1/8

50

-

-

10

16.00

50.27

K 1/2

5 3/8

-

-

10

-

16.10

50.58

L

5 1/2

51 3/4

16

-

11 3/4

16.41

51.55

L 1/2

5 7/8

-

-

-

-

16.51

51.87

M

6

52 3/4

16 1/2

12

12 3/4

16.71

52.50

M 1/2

6 1/4

-

-

-

-

16.92

53.16

N

6 1/2

54

17

13

14

17.13

53.82

N 1/2

6 3/4

-

-

-

-

17.35

54.51

O

7

55 1/4

17 1/4

14

15 1/4

17.45

54.82

O 1/2

7 1/4

-

-

-

-

17.75

55.76

P

7 1/2

56 1/2

17 3/4

15

16 1/2

17.97

56.45

P 1/2

7 3/4

-

-

-

-

18.19

57.15

Q

8

57 3/4

18

16

17 3/4

18.35

57.65

Q 1/2

8 1/4

-

-

-

-

18.53

58.21

Q 3/4

8 1/2

-

18 1/2

17

-

18.61

58.47

R

8 5/8

59

-

-

19

18.80

59.06

R 1/2

8 7/8

-

-

-

-

18.89

59.34

R 3/4

9

-

19

18

-

19.10

60.00

S

9 1/8

60 1/4

-

-

20 1/4

19.22

60.38

S 1/4

9 1/4

-

-

-

-

19.41

60.98

S 3/4

9 1/2

-

19 1/2

19

-

19.51

61.29

T

9 5/8

61 1/2

-

-

21 1/2

19.84

62.33

T 1/2

10

-

20

20

-

20.02

62.89

U

10 1/4

62 3/4

-

21

22 3/4

20.20

63.46

U 1/2

10 1/2

-

20 1/4

22

-

20.32

63.84

V

10 5/8

63

-

-

23 3/4

20.68

64.97

V 1/2

11

-

20 3/4

23

-

20.76

65.22

W

11 1/8

65

-

-

25

20.94

65.78

W 1/2

11 3/8

-

-

-

-

21.08

66.22

W 3/4

11 1/2

-

21

24

-

21.18

66.54

X

11 5/8

66 1/4

-

-

26 1/4

21.30

66.92

X 1/2

11 7/8

-

-

-

-

21.49

67.51

Y

12

67 1/2

21 1/4

25

27 1/2

21.69

68.14

Y 1/2

12 1/4

-

-

-

-

21.89

68.77

Z

12 1/2

68 3/4

21 3/4

26

28 3/4

Print your size guide

  • Download the image in PNG format and print it.
  • Cut it as shown in the figure below. Cut it exactly in the straight line. Wrap it around your finger. Check the number where the strip overlaps with the line. Match this number with the above sizes.
Product added to wishlist