Ring size matrix for conversation purposes
If you already know your ring size but need to convert the unit of measurement then please use the matrix below:
| UK Ring Size | EU Ring Size | US Ring Size | Measure in MM |
| D | | 2 | |
| | 42 | | 42 |
| E | | 2 1/2 | |
| 43 | 43 | ||
| | | | |
| F | 44 | 3 | 44 |
| | | | |
| 45 | 45 | ||
| G | | 3 1/2 | |
| | 46 | | 46 |
| H | | 4 | |
| 47 | 47 | ||
| | | | |
| I | 48 | 4 1/2 | 48 |
| | | | |
| J | 49 | 5 | 49 |
| | | | |
| 50 | 50 | ||
| K | | 5 1/2 | |
| | 51 | | 51 |
| L | | 6 | |
| 52 | 52 | ||
| | | | |
| M | 53 | 6 1/2 | 53 |
| | | | |
| 54 | 54 | ||
| N | | 7 | |
| | 55 | | 55 |
| O | | 7 1/2 | |
| 56 | 56 | ||
| | | | |
| P | 57 | 8 | 57 |
| | | | |
| Q | 58 | 8 1/2 | 58 |
| | | | |
| 59 | 59 | ||
| R | | 9 | |
| | 60 | | 60 |
| S | | 9 1/2 | |
| 61 | 61 | ||
| | | | |
| T | 62 | 10 | 62 |
| | | | |
| 63 | 63 | ||
| U | | 10 1/2 | |
| | 64 | | 64 |
| V | | 11 | |
| 65 | 65 | ||
| | | | |
| W | 66 | 11 1/2 | 66 |
| | | | |
| 67 | 67 | ||
| X | | 12 | |
| | | | |
| 68 | 68 | ||
| Y | | 12 1/2 | |
| | 69 | | 69 |
| Z | | 13 | |
| 70 | 70 | ||
| | | | |
| Z+1 | 71 | 13 1/2 | 71 |