Ring Size Guide

USA

Italy

Ring Diameter (mm)

Finger Circumference in mm

5

9.5

15.6

49

5.5

11

16

50.3

6

12

16.5

51.5

6.5

13.5

16.9

52.8

7

14.5

17.3

54

7.5

16

17.7

55.3

8

17

18.2

56.6

8.5

19

18.6

57.8

9

20

19

59.1

9.5

21

19.4

60.3