40 mcg equals how many mg?

Answer 1

mcg is the abbreviation for micrograms. 1,000 micrograms = 1 milligram (mg), so 40 mcg = .040 mg

Answer 2

1 milligram = 1000 micrograms. You now have all the information required to answer this and similar questions.

Answer 3

.025 mg

Answer 4

.004

Answer 5

1/4 mg