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Anonymous
mcg or microgram is 10^-6 grams and mg or milligram is 10^-3 grams so 450mcg = .450mg
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1000 mcg = 1 mg. Therefore, 450 mcg = 450/1000 mg = 0.45 mg
125mcg equals 0.125mg (1000mcg per mg).
0.25mg
12.5mg