1 milligram = 1000 micrograms. You now have all the information required to work out, for yourself, the answer to this and similar questions.
There are 100 micrograms in 0.1 mg.
100mcg equates to 0.1mg
1000
100
100mg = 100,000 micrograms (1000mcg per mg).
0.3 mg = 300 micrograms
0.075 mg = 75 micrograms
4000 mcg (micrograms) equals 4 mg (milligrams)
60mg equals 60,000 micrograms (1000mcg per mg).
130mg equals 130,000mcg (micrograms) * (1000mcg per mg)
1000mcg per mg
1 milligram is equal to 1000 micrograms.