How to convert milligrams to micrograms
To convert milligrams (mg) to micrograms (µg), multiply the value in milligrams by 1,000.
µg = mg × 1,000
Example: 10 mg = 10,000 µg.
You can also type 10 mg to µg into the smart calculator, or mix units: 1 mg + 1 µg.
Milligrams to Micrograms conversion table
| Milligrams | Micrograms |
|---|---|
| 0.01 mg | 10 µg |
| 0.1 mg | 100 µg |
| 0.25 mg | 250 µg |
| 0.5 mg | 500 µg |
| 1 mg | 1,000 µg |
| 2 mg | 2,000 µg |
| 3 mg | 3,000 µg |
| 4 mg | 4,000 µg |
| 5 mg | 5,000 µg |
| 6 mg | 6,000 µg |
| 7 mg | 7,000 µg |
| 8 mg | 8,000 µg |
| 9 mg | 9,000 µg |
| 10 mg | 10,000 µg |
| 12 mg | 12,000 µg |
| 15 mg | 15,000 µg |
| 20 mg | 20,000 µg |
| 25 mg | 25,000 µg |
| 30 mg | 30,000 µg |
| 40 mg | 40,000 µg |
| 50 mg | 50,000 µg |
| 60 mg | 60,000 µg |
| 75 mg | 75,000 µg |
| 100 mg | 100,000 µg |
| 250 mg | 250,000 µg |
| 500 mg | 500,000 µg |
| 1,000 mg | 1,000,000 µg |
Converting micrograms back to milligrams
1 µg = 0.001 mg. See the Micrograms to Milligrams converter, or press the swap button above.
About the units
Milligram (mg)
One thousandth of a gram.
Microgram (µg)
One millionth of a gram, common on supplement labels as mcg.
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 micrograms are in a milligram?
One milligram (mg) equals 1,000 micrograms (µg).
How do I convert milligrams to micrograms?
To convert milligrams to micrograms, multiply the value in milligrams by 1,000. The formula is µg = mg × 1,000. For example, 10 mg = 10,000 µg.
What is 10 mg in µg?
10 milligrams is 10,000 micrograms.
Which is bigger, a milligram or a microgram?
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 mg to µg 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.