In one milligram, there are 1000 micro grams.
There are 10,000 micrograms in 10 milligrams.
There are 10 micrograms in 400 IU of vitamin D. Converting micrograms to milligrams, there are 0.01 milligrams in 10 micrograms. Therefore, 400 IU is equal to 0.4 milligrams.
There are 1000 micrograms in a milligram. I assume you mean 10^7. This is 10,000,000 micrograms. This is 10,000 milligrams. If you actually meant 107 micrograms, this is 0.107 milligrams.
There are 1000 micrograms in a milligram. Therefore 10 milligrams is 10,000 micrograms. 300 micrograms is 0.3 milligrams. 10-0.3 is 9.7 milligrams.
There are 1000 micrograms in a milligram. Therefore 10 milligrams is 10,000 micrograms.
There are 1000 micrograms in a milligram. Therefore, you need to multiply by 1000. 400*1000 is 400,000 micrograms.
445 micrograms = 0.445 milligrams 445 milligrams = 445,000 micrograms
There are 1000 micrograms in a milligram. Therefore 1.01 milligrams is 1010 micrograms.
0.75 micrograms = 0.00075 milligrams.
0.23 micrograms = 0.00023 milligrams
650 micrograms = 0.65 milligrams
There are 0.42 milligrams in 420 micrograms. To convert micrograms to milligrams, you divide by 1000.