Find Your Ring Size


FIND YOUR RING SIZE

 Inside diameter

Inside circumference

Sizes

(in)

(mm)

(in)

(mm)

United States
and Canada

United Kingdom,
Ireland,
and Australia

China,
Japan

Switzerland

0.459

11.63

1.44

36.5

0

0.466

11.84

1.46

37.2

¼

0.474

12.04

1.49

37.8

½

A

0.482

12.24

1.51

38.5

¾

0.490

12.45

1.54

39.1

1

B

1

0.498

12.65

1.56

39.7

0.506

12.85

1.59

40.4

C

0.514

13.06

1.61

41.0

0.522

13.26

1.64

41.7

2

D

2

1.5

0.530

13.46

1.67

42.3

0.538

13.67

1.69

42.9

E

3

2.75

0.546

13.87

1.72

43.6

0.554

14.07

1.74

44.2

3

F

4

4

0.562

14.27

1.77

44.8

5

5.25

0.570

14.48

1.79

45.5

G

0.578

14.68

1.82

46.1

6

6.5

0.586

14.88

1.84

46.8

4

H

7

0.594

15.09

1.87

47.4

7.75

0.602

15.29

1.89

48.0

I

8

0.610

15.49

1.92

48.7

J

9

0.618

15.70

1.94

49.3

5

9

0.626

15.90

1.97

50.0

K

10

Inside diameter

Inside circumference

Sizes

(in)

(mm)

(in)

(mm)

United States
and Canada

United Kingdom,
Ireland,
and Australia

China,
Japan

Switzerland

0.634

16.10

1.99

50.6

10

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