Opioid Equivalence Calculator Opioid Equivalence Calculator Oral Morphine Dose mg (per day) Preparations IV/IM/SC Oral Sublingual Transdermal Rectal IV/IM/SC preparations Fentanyl (0.2): µg Sufentanil (2): µg Codeine (0.25): mg Hydromorphone (15): mg Morphine (3): mg Oxycodone (3): mg Pethidine (0.4): mg Oral preparations Codeine / Dihydrocodeine [0.1–0.15] (0.13): mg Dextropropoxyphene (0.1): mg Hydrocodone (1): mg […]