Unitvale

micrograms (µg) (mcg)

micrograms (µg) as a conversion hub: 2 direct pairs, all with the exact factor on the page.

Definition1 mcg = 0.001 mg exactly
Pairs from here2

Medical Dose Converter

micrograms (µg) converted to every other unit

mcgmgg
1 mcg0.0010.000001
2 mcg0.0020.000002
5 mcg0.0050.000005
10 mcg0.010.00001
20 mcg0.020.00002
50 mcg0.050.00005
100 mcg0.10.0001

All conversions starting from mcg

mcg to mgmcg to g

Questions

How do I convert from micrograms (µg)?
Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.
Is microgram exact or approximate?
The factor shown (1 mcg = 0.001 mg) is fixed by definition, so conversions are exact rather than measured.
What is microgram used for?
micrograms (µg) as used in practical measurements