Now that would depend on your units wouldn't it?
If you are talking about IU (International Units) used to measure vitamins and medicines then you should know that the IU depends on the activity of the substance and the molecular weight will differ from one substance to another.
how can i convert 1 unit of penicillin G antibiotic disc in to mg
1 mg
1 mg equals how many grams?
mg equals milligrams so that means it is one thousandths of a milligram
1000 mcg equals 1 mg.
1000 mg equals 1 gm
1000 mcg equals 1 mg.
100 units
1000 mg, for every 1000 mg equals 1 g.
1 kg = 1,000,000 mg
1gm = mg
100,000
1 billion.
1