Ring Size Chart
Please Note: All equivalents are approximate.
|
||||||
US. &
Canadian Standard |
Inside
Diameter mm |
Inside
Circ. mm |
Equivalents | |||
British | French | German | Swiss | |||
5 | 15.7 | 49 | j ½ | 49 | 15¾ | 9 |
5 ½ | 16.1 | 50.2 | L | 50¼ | 16 | — |
6 | 16.51 | 51.5 | M | 51 ½ | 16 ½ | 12 |
6 ½ | 16.92 | 52.8 | N | 52¾ | 17 | 13 |
7 | 17.35 | 54 | N ½ | 54 | 17¼ | 14 |
7 ½ | 17.63 | 55.3 | O ½ | 55 ½ | 17 ½ | 15 |
8 | 18.19 | 56.6 | P ½ | 56¾ | 18 | 16 |
8 ½ | 18.59 | 57.8 | Q ½ | 58 | 18 ½ | 17 |
9 | 18.99 | 59.1 | R ½ | 59¼ | 19 | 18 |
9 ½ | 19.41 | 60.3 | S ½ | 60 ½ | 19 ½ | 19 |
10 | 19.84 | 61.6 | T ½ | 61¾ | 20 | 20 |