1 milligram (mg) = 1,000 micrograms (µg). To convert, multiply by 1,000: µg = mg × 1,000. For example, 5 mg = 5,000 µg.
µg = mg × 1,000
Milligrams to micrograms table
| Milligrams (mg) | Micrograms (µg) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
The two units
Milligram (mg). One thousandth of a gram, common on medicine and nutrition labels.
Microgram (µg). One millionth of a gram.
Convert milligrams to other units
- Milligrams to kilograms — 1 mg = 0.000001 kg
- Milligrams to grams — 1 mg = 0.001 g
- Milligrams to metric tons — 1 mg = 1e-9 t
- Milligrams to pounds — 1 mg = 0.0000022046 lb
- Milligrams to ounces — 1 mg = 0.000035274 oz
- Milligrams to stones — 1 mg = 1.57473e-7 st
- Milligrams to short tons — 1 mg = 1.102311e-9 ton (US)
- Milligrams to long tons — 1 mg = 9.842065e-10 ton (UK)
Convert other units to micrograms
Questions people ask
- How many micrograms are in a milligram?
- 1,000.
- How do you convert milligrams to micrograms?
- µg = mg × 1,000. It is the same as dividing by 0.001.
- How do you convert micrograms back to milligrams?
- mg = µg ÷ 1,000. See micrograms to milligrams.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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