To determine your ring size:

Measure the circumference of your finger:


Or measure the inside diameter of a ring you already wear:

 


Then refer to the conversion table below:

EU Size

US & Canada Size

UK size

Ring inner diameter / 

Circumference of your finger

(mm) 

Ring inner diameter / 

Circumference of your finger

(inch)

44

3

-

14

10"

45

3.25

-

14,3

11"

46

3.75

-

14,6

12"

47

4

H 1/2

14,9

13"

48

4.5

I 1/2

15,3

14"

49

4.75

J 1/2

15,6

15"

50

5.25

L

15,9

16"

51

5.75

-

16,2

17"

52

6

M

16,5

18"

53

6.25

N

16,8

19"

54

6.75

O

17,2

20"

55

7.25

P

17,5

21"

56

7.5

-

17,8

22"

57

8

Q

18,1

23"

58

8.25

Q 1/2

18,4

24"

59

8.75

R

18,8

25"

60

9

R 1/2

19,1

26"