0.004 grams.
4000
0.004
4
.004
.004
4000 milligrams is equal to 4 grams. In order to convert milligrams to grams, divide the milligrams by 1000.
4 milligrams = 0.004 gram
There are .135 grams in 135 milligrams. ( milligrams divided by grams = grams )
4 900 000 milligrams in 4900 grams (1000 milligram per gram).
745 milligrams = 0.745 grams
4 g = 4000 mg