INTERNATIONAL RING SIZE CONVERSION CHART

 

5 TIPS HOW TO MEASURE YOUR FINGER SIZE
1. Measure when your finger is at normal body temperature. Finger size changes throughout the day when hot or cold
2. If your knuckle is much larger than the base of your finger, take two separate measurements and choose a size in between. A ring should fit over your knuckle, but not be too loose or it will move around
3. Don't use an online print and cut-out chart or measure with paper or string. It's very difficult to get accuracy and could result in your ordering a size that does not fit properly
4. Consider ring width. Wide rings will fit more tightly and may need to be ordered a quarter to half a ring size bigger
5.Go for a snug fit. The ring should 'go on easy and come off hard', minimising the risk of loss
 

If you know your ring size use our international ring size conversion chart to select the closest British size to order. If your size is not in stock please contact us for custom order via info@ferajewellery.com.

If you do not know your ring size purchase one of our FREE plastic ring sizers below. 

info@ferajewellery.com

INSIDE DIAMETER

(mm)

BRITISH AND AUSTRALIAN

USA AND CANADA

FRENCH AND RUSSIAN

13.21

D

2

41 ½

13.41

D ½

2 ¼

 

13.61

E

2 ½

42 ¾

13.83

E ½

2 ¾

 

14.05

F

3

44

14.15

F ½

3 ⅛

 

14.36

G

3 ⅜

45 ¼

14.56

G ½

3 ⅝

 

14.65

H

3 ¾

46 ½

14.86

H ½

4

 

15.04

I

4 ¼

47 ¾

15.27

I ½

4 ½

 

15.40

J

4 ⅝

49

15.70

J ½

5

 

15.80

K

5 ⅛

50

16.00

K ½

5 ⅜

 

16.10

L

5 ½

51 ¾

16.41

L ½

5 ⅞

 

16.51

M

6

52 ¾

16.71

M ½

6 ¼

 

16.92

N

6 ½

54

17.13

N ½

6 ¾

 

17.35

O

7

55 ¼

17.45

O ½

7 ¼

 

17.75

P

7 ½

56 ½

17.97

P ½

7 ¾

 

18.19

Q

8

57 ¾

18.35

Q ½

8 ¼

 

18.61

R

8 ⅝

59

18.80

R ½

8 ⅞

 

19.10

S

9 ⅛

60 ¼

19.31

S ½

9 ⅜

 

19.51

T

9 ⅝

61 ½

19.84

T ½

10

 

20.02

U

10 ¼

62 ¾

20.20

U ½

10 ½

 

20.32

V

10 ⅝

63

20.68

V ½

11

 

20.76

W

11 ⅛

65

20.94

W ½

11 ⅜

 

21.28

X

11 ⅝

66 ¼

21.30

X ½

11 ⅞

 

21.49

Y

12

67 ½

21.69

Y ½

12 ¼

 

21.89

Z

12 ½

68 ¾

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