Micrograms to Milligrams Converter
1 mcg = 0.001 mg
mcg and µg both mean micrograms. This page converts mass units only; it does not determine a dose.
Conversion table
| mcg | mg |
|---|---|
| 1 | 0.001 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
| 2000 | 2 |
| 5000 | 5 |
Formula
mg = mcg × 0.001.
Results are shown to up to 12 significant figures. The calculator uses the conversion factor before display rounding.
Unit definitions: NIST conversion factors.