Conversion factors for morphine milligram equivalents10,25,34,35
| Opioid product | Amount equivalent to 30 mg oral morphine, mg | Conversion to morphine equivalent (multiply by) |
|---|---|---|
| Codeine | 200 | 0.15 |
| Oxycodone | 20 | 1.5 |
| Hydromorphone | 6 | 5 |
| Meperidine | 300 | 0.1 |
| Pentazocine | 182 | 0.165 |
| Butorphanol | 4.3 | 7 |
| Methadone | 10 | 3 |