Important: To get the most accurate reading, make sure your hands and fingers are warm, preferably at room temperature.
| Circumference in (mm) |
CDN / U.S (Size) |
U.K. (Size) |
| 46.5 | 4 | H 1/2 |
| 48 | 4 1/2 | I 1/2 |
| 49 | 5 | J 1/2 |
| 50.5 | 5.1/2 | L |
| 52 | 6 | M |
| 53 | 6 1/2 | N |
| 54.5 | 7 | O |
| 55.5 | 7 1/2 | P |
| 57 | 8 | Q |
| 58 | 8 1/2 | Q 1/2 |
| 59.5 | 9 | R 1/2 |
| 61 | 9 1/2 | S 1/2 |
| 62 | 10 | T 1/2 |
| 63.5 | 10 1/2 | U 1/2 |
| 64.5 | 11 | V 1/2 |
| 66 | 11 1/2 | W 1/2 |
| 67.5 | 12 | Y |
| 68.5 | 12 1/2 | Z |
| 70 | 13 | Z+1 |
| 71 | 13 1/2 | Z+2 |
| 72.5 | 14 | Z+3 |
| 74 | 14 1/2 | Z+4 |
| 75 | 15 | Z+5 |