| Bed Diameter | EU Standard | US Standard | Other Possibilities |
|---|---|---|---|
| 10.00 | 10.91 | – | 9.60; 10.20; 10.55; 10.73; 10.80 |
| 10.50 | 11.41 | 10.55 | 10.91; 11.15; 11.30; 11.60; 11.70 |
| 10.75 | 11.60 | 10.73 | 10.91; 11.15; 11.30; 11,41; 11.70 |
| 11.00 | 11.98 | 11.15 | 11.80; 11.91; 12.02; 12.20 |
| 11.50 | 12.50 | 11.60 | 12.02; 12.20; 12.70; 12.85 |
| 12.00 (Wiener Oboe) | 12.02 | – | – |
| 12.00 (Englischhorn) | 12.85 | 12.20 | 12.50; 12.70; 13.10 (JP); 13.41 |
| 12.50 (Englischhorn) | 13.41 | 12.50 | 12.70. 12.85; 13.10 |
| 13.00 (Barockoboe) | 15.10 | – | 15.80 |
| 14.00 (Barockoboe) | 15.80 | – | 15.10; 16.10; 16.30 |
| 15.00 (Barockoboe) | 16.50 | – | 16.10; 16.30; 16.75; 17.60 |
| 16.00 (Barockoboe) | 18.25 | – | 16.50; 16.75; 17.60 |
