Weight and Mass Converter
Result
... Milligram = ... Microgram
Result
... Milligram
=
... Microgram
Find the units to convert
Milligram to Microgram Converter
Use this page to convert milligram values into microgram, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 mg = 1,000 ug
1 ug = 0.001 mg
Example: 25 mg = 25,000 ug
Milligram
A milligram is one thousandth of a gram.
History: It follows directly from the decimal metric system.
Current use: Milligrams are common in medicine, nutrition, and lab work.
Also written as mg, milligrams, mgs.
Microgram
A microgram is one millionth of a gram.
History: It follows the SI micro prefix for very small metric quantities.
Current use: Micrograms are common in medicine, laboratory work, and trace-level measurement.
Also written as ug, micrograms, mcg.
Milligram to Microgram table
| Milligram [mg] | Microgram [ug] |
|---|
| 0.01 mg | 10 ug |
| 0.1 mg | 100 ug |
| 1 mg | 1,000 ug |
| 2 mg | 2,000 ug |
| 5 mg | 5,000 ug |
| 10 mg | 10,000 ug |
| 20 mg | 20,000 ug |
| 50 mg | 50,000 ug |
| 100 mg | 100,000 ug |
Frequently asked questions
How many Microgram (ug) are in one Milligram (mg)?
One Milligram equals 1,000 Microgram.
How do you convert Milligram to Microgram?
Multiply the Milligram value by 1,000 to get the result in Microgram.
How do you convert Microgram back to Milligram?
Multiply the Microgram value by 0.001 to get back to Milligram.
What is 25 Milligram in Microgram?
25 Milligram equals 25,000 Microgram.