There are 1000 micrograms in a milligram. To convert this, you need to divide by 1000. 400/1000 is 0.4 milligrams.
100 milligrams = 100, 000 mcgs
There are 1000 milligrams in one gram. Therefore, 400 milligrams is equal to 400/1000 = 0.4 grams.
1 milligram = 0.001 gram400,000 milligrams = 400 grams
1000 micrograms = 1 milligram so 400 mcg = 400/1000 milligrams = 0.4 milligrams. Simple!
400 mg = 0,4 kg
400 g = 400000 mg
In a milligram, there are 1000 micrograms. You need to divide 400 by 1000. This is 0.4 milligrams.
none
100
400
There are about 28.5 grams in an ounce. 400 mg is 0.4 grams. Do the math!
Believe it or not, about 200-400.