RINGGRÖSSEN-UMRECHNUNGSTABELLE
| EU | USA,CAN | UK,IRE,AUS | Inside Diameter (mm) |
Circumference (mm) |
| 44 | 3 | F | 14.1 | 44.2 |
| 46.5 | 4 | H | 14.9 | 46.7 |
| 48.5 | 5 | J | 15.7 | 49.3 |
| 51 | 6 | L | 16.5 | 51.9 |
| 55 | 7 | N | 17.3 | 54.5 |
| 57 | 8 | P | 18.2 | 57.2 |
| 59 | 9 | R | 18.9 | 59.3 |
| 61.5 | 10 | T | 19.8 | 62.3 |
| 64 | 11 | V | 20.7 | 65 |
| 68 | 12 | X | 21.5 | 67.5 |
