5.0 grams
Within the metric system the prefix kilo means 1,000. Therefore there are 1,000 grams in 1 kilogram. ^Read the Question^ He/She is not asking for Grams in a Kilo, in fact the person is asking for How...
hummm 40? just maybe........ yeah not sure tho ;p
1 gram = 1,000,000 micrograms
2. Are you sure you worded the question correctly?