I was at about 200mgs methadone and 8 mgs bupe was about right, which is
half what my doctor prescribed, but that is 50mgs
methadone to 1mg bupe, was still a little off, but stabilized in a couple days. I'll try to find another conversion chart, but that conversion you shared means that 1mg dupe is equal to 300mgs of methadone, maybe check your source again.