How to find your ring size

1st Way
  1. Take a ring that fits you well and measure in millimeters (mm) the inside part (diameter) of the ring, using a ruler.
  2. Match the millimeters with the table below.
2nd Way
  1.  Wrap a thread or a measuring tape loosely around your finger.
  2. Mark with a pen the end of the thread (or the  tape).
  3. Put the thread on a line and  measure it’s length with the help of a ruler. Again match the millimeters you found with the sizes below.

Cirmumfence
(mm)

Diameter
(mm)

Europe

USA & Canada

44.2

14.1

44

3

44.8

14.3

45

45.5

14.5

3 (1/2)

46.1

14.7

46

46.8

14.9

47

4

47.4

15.1

48

15.3

48

4 (1/2)

48.7

15.5

49.3

15.7

49

5

50

15.9

50

50.6

16.1

5 (1/2)

51.2

16.3

51

51.9

16.5

52

6

52.5

16.7

53.1

16.9

53

6 (1/2)

53.8

17.1

54.4

17.3

54

7

55.1

17.5

55

55.7

17.7

7 (1/2)

56.3

17.9

56

57

18.1

57

8

57.2

18.2

57.6

18.3

58.3

18.5

58

8 (1/2)

58.9

18.8

59

59.5

19

9

60.2

19.2

60

60.8

19.4

61

9 (1/2)

61.4

19.6

62.1

19.8

62

10

62.7

20

63.4

20.2

63

10 (1/2)

64

20.4

64

64.6

20.6

11

65.3

20.8

65

65.9

21

66

11 (1/2)

66.6

21.2

67.2

21.4

67

12

67.8

21.6

68.5

21.8

68

12 (1/2)

69.1

22

69

69.7

22.2

70

13

70.4

22.4

71

22.6

13 (1/2)