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Table of International Ring Size Equivalents

Click For All Current Discounts

We size our rings to international size equivalents. Please contact us if you are interested in ordering from outside the US.

United States Standard
(Including Canada)

Average Diameter
In Inches

British
Equivalent

French
Equivalent

German
Equivalent

Japanese
Equivalent

Swiss
Equivalent

000

.390

-
-
-
-
-

00

.422

-
-
-
-
-

0

.454

-
-
-
-
-

1/2

-

A

-
-
-
-

3/4

-

A1/22

-
-
-
-

1

.487

B

-
-

1

-

1 1/4

-

B-1/2

-
-
-
-

1 1/2

.503

C

-
-
-
-

1 3/4

-

C-1/2

-
-
-
-

2

.520

D

41 1/2

13 1/2

2

1 1/2

2 1/4

-

D-1/2

-
-
-
-

2 1/2

.536

E

42 3/4

13 3/4

3

2 3/4

2 3/4

-

E-1/2

-
-
-
-

3

.553

F

44

14

4

4

3 1/8

-

F-1/2

-
-
-
-

3 3/8

-

G

45 1/4

-

5

5 1/4

3 1/2

.569

-
-

14 1/2

-
-

3 5/8

-

G-1/2

-
-

6

-

3 3/4

-

H

46 1/2

-
-

6 1/2

4

.585

H-1/2

-

15

7

-

4 1/4

-

I

47 3/4

-
-

7 3/4

4 1/2

.601

I-1/2

-

15 1/4

8

-

4 7/8

-

J

49

-
-

9

5

.618

J-1/2

-

15 3/4

9

-

5 1/8

-

K

50

-
-

10

5 3/8

-

K-1/2

-
-

10

-

5 1/2

.634

L

51 3/4

16

-

11 3/4

5 7/8

-

L-1/2

-
-

11

-

6

.650

M

52 3/4

16 1/2

12

12 3/4

6 1/4

-

M-1/2

-
-
-
-

6 1/2

.666

N

54

17

13

14

6 3/4

-

N-1/2

-
-
-

7

.683

O

55 1/4

17 1/4

14

15 1/4

7 1/4

-

O-1/2

-
-
-
-

7 1/2

.699

P

56 1/2

17 3/4

15

16 1/2

7 3/4

-

P-1/2

-
-
-
-

8

.716

Q

57 3/4

18

16

17 3/4

8 1/4

-

Q-1/2

-
-
-
-

8 1/2

.732

-
-

18 1/2

17

-

8 5/8

-

R

59

-
-

19

8 7/8

-

R-1/2

-
-
-
-

9

.748

-
-

19

18

-

9 1/8

-

S

60 1/4

-
-

20 1/4

9 3/8

-

S-1/2

-
-
-
-

9 1/2

.764

-
-

19 1/2

19

-

9 5/8

-

T

61 1/2

-
-

21 1/2

10

.781

T-1/2

-

20

20

-

10 1/4

-

U

62 3/4

-

21

22 3/4

10 1/2

.797

U-1/2

-

20 1/4

22

-

10 5/8

-

V

63 3/4

-
-

23 3/4

11

.814

V-1/2

-

20 3/4

23

-

11 1/8

-

W

65

-
-

25

11 3/8

-

W-1/2

-
-
-
-

11 1/2

.830

-
-

21

24

-

11 5/8

-

X

66 1/4

-
-

26 1/4

11 7/8

-

X-1/2

-
-
-
-

12

.846

Y

67 1/2

21 1/4

25

27 1/2

12 1/4

-

Y-1/2

-
-
-
-

12 1/2

.862

Z

68 3/4

21 3/4

26

28 3/4

12 3/4

-

Z-1/2

-
-
-
-

13

.879

-
-

22

27

-

*All discounts excludes clearance, limited time offer pieces, special and custom orders. Offer not valid for previous purchases. This is a limited time offer.

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