micro = one millionths so a million of them.
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1 milligram = 0.001 grams
How many micrograms (µg, ug or mcg) in a milligram(mg)? 1000 micrograms = 1 milligram, and 1000 milligrams = 1 gram.
75mg = 0.075g. This is the metric system: 1000 µg = 1mg (1000 micro grams = 1 milligram) 1000 mg = 1g (1000 milligram = 1 gram) 1000 g = 1kg (1000 gram = 1kilo gram).
milli means 1 thousandth, 1/1000. 1 x 10-3 g micro means 1 millionth, 1/ 1000000. 1 x 10-6 g What is meant by a micro milligram? A millionth of a milligram? That is 1 x 10-9 g. A nanogram.
1 mg