International ring size conversion
FINGER CIRCUMFERENCE IN MM | RING SIZE | |||
EUROPE | USA | UK | JAPAN | |
44 | 44 | 3 | F | 4 |
45 | 45 | 3 ½ | G | 5 |
47 | 47 | 4 | H | 7 |
48 | 48 | 4 ½ | I | 8 |
49 | 49 | 5 | J | 9 |
50 | 50 | 5 ½ | K | 10 |
52 | 52 | 6 | L | 12 |
53 | 53 | 6 ½ | M | 13 |
54 | 54 | 7 | N-O | 14 |
56 | 56 | 7 ½ | P | 16 |
57 | 57 | 8 | Q | 17 |
58 | 58 | 8 ½ | R | 18 |
60 | 60 | 9 | S | 20 |
61 | 61 | 9 ½ | S ½ | 21 |
62 | 62 | 10 | T | 22 |
63 | 63 | 10 ½ | U | 23 |
65 | 65 | 11 | V | 25 |
66 | 66 | 11 ½ | W | 26 |
67 | 67 | 12 | X | 27 |