Question

5 milligrams equals how many grams

Answer 1

Every milligram is equal to 1 thousandth of a gram, so there are 1000 milligrams in one gram. So 5 milligrams would be 5 thousandths of a gram, which simplifies to 1 two hundredth of a gram. So this number of grams:
$\frac{1}{200}$ of a gram

Answer 2

5 milligrams are equal to .005 grams.