Convert milligrams to micrograms
1 mg = 1000 µg — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1000µg
1 mg = 1000 µg
How to convert milligrams to micrograms
Multiply the number of milligrams by 1000 to get micrograms.
The exact factor is 1000 .
Milligram to Microgram conversion table
| Milligrams (mg) | Micrograms (µg) |
|---|---|
| 1 mg | 1000 |
| 2 mg | 2000 |
| 3 mg | 3000 |
| 5 mg | 5000 |
| 10 mg | 10 000 |
| 20 mg | 20 000 |
| 25 mg | 25 000 |
| 50 mg | 50 000 |
| 100 mg | 100 000 |
| 250 mg | 250 000 |
| 500 mg | 500 000 |
| 1000 mg | 1 000 000 |
Microgram to Milligram conversion table
| Micrograms (µg) | Milligrams (mg) |
|---|---|
| 1 µg | 0.001 |
| 2 µg | 0.002 |
| 3 µg | 0.003 |
| 5 µg | 0.005 |
| 10 µg | 0.01 |
| 20 µg | 0.02 |
| 25 µg | 0.025 |
| 50 µg | 0.05 |
| 100 µg | 0.1 |
| 250 µg | 0.25 |
| 500 µg | 0.5 |
| 1000 µg | 1 |
Frequently asked
How many micrograms are in a milligram?
One milligram equals 1000 micrograms (mg → µg). That figure is exact, not rounded.
How do you convert milligrams to micrograms?
Multiply the number of milligrams by 1000 to get micrograms.
What is 1 µg in milligrams?
One microgram is 0.001 milligrams.
What is 10 mg in µg?
10 mg = 10 000 µg.