How to convert micrograms to milligrams
To convert micrograms (µg) to milligrams (mg), multiply the value in micrograms by 0.001.
mg = µg × 0.001
Example: 10 µg = 0.01 mg.
You can also type 10 µg to mg into the smart calculator, or mix units: 1 µg + 1 mg.
Micrograms to Milligrams conversion table
| Micrograms | Milligrams |
|---|---|
| 0.01 µg | 0.00001 mg |
| 0.1 µg | 0.0001 mg |
| 0.25 µg | 0.00025 mg |
| 0.5 µg | 0.0005 mg |
| 1 µg | 0.001 mg |
| 2 µg | 0.002 mg |
| 3 µg | 0.003 mg |
| 4 µg | 0.004 mg |
| 5 µg | 0.005 mg |
| 6 µg | 0.006 mg |
| 7 µg | 0.007 mg |
| 8 µg | 0.008 mg |
| 9 µg | 0.009 mg |
| 10 µg | 0.01 mg |
| 12 µg | 0.012 mg |
| 15 µg | 0.015 mg |
| 20 µg | 0.02 mg |
| 25 µg | 0.025 mg |
| 30 µg | 0.03 mg |
| 40 µg | 0.04 mg |
| 50 µg | 0.05 mg |
| 60 µg | 0.06 mg |
| 75 µg | 0.075 mg |
| 100 µg | 0.1 mg |
| 250 µg | 0.25 mg |
| 500 µg | 0.5 mg |
| 1,000 µg | 1 mg |
Converting milligrams back to micrograms
1 mg = 1,000 µg. See the Milligrams to Micrograms converter, or press the swap button above.
About the units
Microgram (µg)
One millionth of a gram, common on supplement labels as mcg.
Milligram (mg)
One thousandth of a gram.
Mass is the amount of matter in an object; in everyday speech it is called weight. The SI base unit is the kilogram, defined since 2019 through the Planck constant. The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Questions and answers
How many milligrams are in a microgram?
One microgram (µg) equals 0.001 milligrams (mg).
How do I convert micrograms to milligrams?
To convert micrograms to milligrams, multiply the value in micrograms by 0.001. The formula is mg = µg × 0.001. For example, 10 µg = 0.01 mg.
What is 10 µg in mg?
10 micrograms is 0.01 milligrams.
Which is bigger, a microgram or a milligram?
A milligram is bigger: 1 mg = 1,000 µg.
What is the difference between a ton and a tonne?
A tonne (metric ton) is 1,000 kg. A US short ton is 2,000 lb (907.18 kg) and an imperial long ton is 2,240 lb (1,016.05 kg).
Does this µg to mg converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.