Milligrams to Micrograms
Convert milligrams (mg) to micrograms (mcg). Type in either box; the other updates as you go.
How to convert milligrams to micrograms
To convert milligrams to micrograms, multiply the number of milligrams by 1,000.
Example
Convert 5 milligrams to micrograms:
Milligram to microgram conversion chart
| Milligrams (mg) | Micrograms (mcg) |
|---|---|
| 1 mg | 1,000 mcg |
| 2 mg | 2,000 mcg |
| 3 mg | 3,000 mcg |
| 4 mg | 4,000 mcg |
| 5 mg | 5,000 mcg |
| 6 mg | 6,000 mcg |
| 7 mg | 7,000 mcg |
| 8 mg | 8,000 mcg |
| 9 mg | 9,000 mcg |
| 10 mg | 10,000 mcg |
| 12 mg | 12,000 mcg |
| 15 mg | 15,000 mcg |
| 20 mg | 20,000 mcg |
| 25 mg | 25,000 mcg |
| 30 mg | 30,000 mcg |
| 40 mg | 40,000 mcg |
| 50 mg | 50,000 mcg |
| 60 mg | 60,000 mcg |
| 70 mg | 70,000 mcg |
| 75 mg | 75,000 mcg |
| 80 mg | 80,000 mcg |
| 90 mg | 90,000 mcg |
| 100 mg | 100,000 mcg |
| 150 mg | 150,000 mcg |
| 200 mg | 200,000 mcg |
| 250 mg | 250,000 mcg |
| 500 mg | 500,000 mcg |
| 1,000 mg | 1,000,000 mcg |
Going the other way? See the micrograms to milligrams chart.
About the units
Milligram (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels use milligrams.
Microgram (mcg)
A microgram (mcg or µg) is one millionth of a gram. Vitamin doses such as B12 and vitamin D are measured in micrograms.
Frequently asked questions
How many micrograms are in a milligram?
There are 1,000 micrograms in a milligram.
How many milligrams are in a microgram?
There are 0.001 milligrams in a microgram.
How do you convert milligrams to micrograms?
To convert milligrams to micrograms, multiply the number of milligrams by 1,000.
What is 5 milligrams in micrograms?
5 milligrams equals 5,000 micrograms.
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