Micrograms to Milligrams Converter
Convert micrograms (µg) to milligrams (mg), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a weight, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 µg = 0.001 mg
- 1 × 0.001 = 0.001 mg
How to convert micrograms to milligrams
1 µg = 0.001 mg, so multiply by 0.001 to go from micrograms to milligrams. Going the other way, 1 mg = 1,000 µg.
mg = µg × 0.001 µg = mg × 1,000
Worked example:
1 µg = 0.001 mg 5 × 0.001 = 0.005 mg
Micrograms to milligrams table
| Micrograms | Milligrams |
|---|---|
| 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 |
| 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 |
| 75 µg | 0.075 mg |
| 100 µg | 0.1 mg |
| 250 µg | 0.25 mg |
| 500 µg | 0.5 mg |
| 1000 µg | 1 mg |
About the units
- Micrograms (µg)
- Micrograms, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
- Milligrams (mg)
- Milligrams, a metric unit. Definition: BIPM SI Brochure.