Table 1.

Methadone conversion ratio

OMDD (mg)	Conversion ratio (morphine: Methadone)
<30	2:1
30-99	4:1
100-299	8:1
300-499	12:1
500-999	15:1
1000-1200	20:1
>1200	Consult

OMDD: Oral morphine daily dose