0.5 grams, I think.
There is 1/1000 of a gram in a milligram.
There are 0.001 grams in a milligram.
I suggest you convert the gram to milligram, or the milligrams to grams, and then divide.
1/1000 grams
.001 grams = 1 milligrams
one thousand
0.002
0.0001 of them.
0.0035 grams. there are 0.001grams in a milligram
1/1000 grams in 1 milligram
There are 1000 micro grams in a milligram.
1 milligram = 0.001 grams