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Finding Your Ring Size

How to Find Ring Size - Step one

STEP ONE

Take a thread string or a piece of paper and wrap it around the base of the finger you want to measure (Like shown in the above image).

How to Find Ring Size - Step two

STEP TWO

Mark where the string or paper first overlaps using a pen; ensure it is not too tight or too loose on your finger (like shown in the above image).

How to Find Ring Size - Step three

STEP THREE

To determine your ring size, measure the length of the string or paper in millimeters with a ruler. Refer to the conversion chart below for the approximate length of the ring's circumference.

Length (mm)
UK Size

43.99

44.45

45.23

45.86

46.49

47.21

47.9

48.6

49.26

49.88

50.51

51.17

51.8

52.46

53.09

53.78

54.44

55.07

55.7

56.39

57.08

57.36

58.15

58.71

59.28

60.09

60.91

61.6

62.26

62.83

63.39

64.15

64.9

65.53

66.16

66.82

67.45

68.07

68.7

69.39

70.08

F

F 1/2

G

G 1/2

H

H 1/2

I

J

J 1/2

K

K 1/2

L

L 1/2

M

M 1/2

N

N 1/2

O

O 1/2

P

P 1/2

Q

Q 1/2

R

R 1/2

S

S 1/2

T

T 1/2

U

U 1/2

V

V 1/2

W

W 1/2

X

X 1/2

Y

Z

Z 1/2

Z 1

Determining Your Ring Size Using An Existing Ring

Ring Size - Step one

STEP ONE

Choose a ring with a snug fit which is not too tight or loose on your finger.

Ring Size - Step two

STEP TWO

Using a ruler, measure the diameter of the ring from one inside edge to the other inside edge in millimeters.

Ring Size - Step three

STEP THREE

To determine your ring size, refer to the measurement conversion chart provided below with your calculated diameter.

UK Size
Diameter (mm)

F

F 1/2

G

G 1/2

H

H 1/2

I

J

J 1/2

K

K 1/2

L

L 1/2

M

M 1/2

N

N 1/2

O

O 1/2

P

P 1/2

Q

Q 1/2

R

R 1/2

S

S 1/2

T

T 1/2

U

U 1/2

V

V 1/2

W

W 1/2

X

X 1/2

Y

Z

Z 1/2

Z 1

14

14.15

14.4

14.6

14.8

15.03

15.25

15.47

15.68

15.88

16.08

16.29

16.49

16.7

16.9

17.12

17.33

17.53

17.73

17.95

18.17

18.26

18.51

18.69

18.87

19.13

19.39

19.61

19.82

20

20.18

20.42

20.66

20.86

21.06

21.27

21.47

21.67

21.87

22.09

22.31