Total daily oMEDD/MME is the sum of each entered 24-hour opioid dose multiplied by its conversion factor. Oral opioid doses are entered in mg/day; transdermal fentanyl is entered as micrograms/hour.

Input	Conversion factor	Source framing
Morphine oral mg/day	1	eviQ/oMEDD
Oxycodone oral mg/day	1.5	eviQ/oMEDD
Hydromorphone oral mg/day	5	eviQ/oMEDD
Codeine oral mg/day	0.125	eviQ/oMEDD
Tramadol oral mg/day	0.2	eviQ/oMEDD
Tapentadol oral mg/day	0.3	eviQ/oMEDD
Fentanyl transdermal micrograms/hour	3.6	eviQ/oMEDD
Hydrocodone oral mg/day	1	legacy CDC MME
Oxymorphone oral mg/day	3	legacy CDC MME
Methadone oral mg/day	4.7	legacy CDC MME; specialist-led conversion

Opioid oMEDD Conversion Calculator