Unit conversion

Micrograms to milligrams (mcg to mg)

1 mcg = 0.001 mg

1000 mcg = 1 mg. Divide micrograms by 1000 (move the decimal three places left).

Reference table

microgram (mcg)milligram (mg)
50 mcg0.05 mg
100 mcg0.1 mg
125 mcg0.125 mg
250 mcg0.25 mg
500 mcg0.5 mg
1000 mcg1 mg