5000
There are 1000 micrograms (mcg) to a milligram (mg). Consumers most often see IU's on the labels of vitamin packages: in standard preparations the equivalent of 1 IU is 0.3 microgram (0.0003 mg) for...
3 mg equals 3,000 mcg.
mcg is an abbreviation of microgram, so 1 mg = 1000 microgram = 1000 mcg.
1 milligram = 1000 micrograms. You now have all the information required to work out, for yourself, the answer to this and similar questions.
1 milligram = 1000 micrograms. You now have all the information required to answer this and similar questions.