Narcotic & Opioid Converter

Quickly and easily convert between various narcotics and opioids. Select from a drop-down menu of many commonly used opioids, with the option of selecting PO or IV/IM.


This app will come in handy for medical students, interns, pain management teams, and anyone who will need to quickly and easily calculate these conversions.


Equianalgesic conversions used in this calculator are based on the American Pain Society guidelines and critical review papers regarding equianalgesic dosing.

Opioids and opiates included:

Buprenorphine
Butorphanol
Codeine IM/IV/SC
Codeine PO
Fentanyl IM/IV
Hydrocodone PO
Hydromorphone IM/IV/SC
Hydromorphone PO
Levorphanol IM/IV/SC
Levorphanol PO
Meperidine IM/IV/SC
Meperidine PO
Morphine IM/IV/SC
Morphine PO
Nalbuphine
Oxycodone PO
Oxymorphone IM/IV

If you have suggestions for other drugs to add, or information to include in the app, email me!

Opioids have a narrow therapeutic window - dose adjustments should be made by an experienced clinician. This calculator is not a substitute for clinical experience and must be used in conjunction with reasonable clinical judgment. For more information, please view the website disclaimer.