posted by Cheri .
How many milligrams are in a kilogram
9th grade -
Convert milligrams to grams to make it easier:
1 milligram = 0.001 gram
Convert kilograms to grams as well so you have the same units:
1 kilogram = 1000 grams
Divide kilograms (1000 grams) by milligrams (0.001 grams) to get your answer.