Milligrams to Micrograms Converter
Convert milligrams to micrograms (mg to μg) instantly with our free online converter. Accurate results with decimal precision.
All weight units in one place — try the unified converter→How to convert milligrams to micrograms?
To convert milligrams to micrograms, you can use the following conversion factor: **1 milligram = 1000 micrograms**, multiply the number of milligrams by 1000.
m(μg) = m(mg) × 1000
Example
Convert 1 mg to micrograms:
m(μg) = 1mg × 1000 = 1000μg
How many micrograms in a milligram?
There are 1000 micrograms in one milligram.
1mg = 1000μg
1mg = 1000μg
How many milligrams in a microgram?
There are 0.001 milligrams in one microgram.
1μg = 0.001mg
1μg = 0.001mg

What is a Milligram?
A milligram is a unit of mass in the metric system. It is equal to one thousandth of a gram. Milligrams are commonly used for measuring medication dosages, nutritional supplements, and other very small quantities.
What is a Microgram?
A microgram is a unit of mass in the metric system. It is equal to one millionth of a gram or one thousandth of a milligram. Micrograms are commonly used for measuring very small quantities such as vitamins, minerals, and other trace elements.
Popular milligrams to micrograms conversion table
| Milligrams (mg) | Micrograms (μg) |
|---|---|
| 0.001 mg | 1 μg |
| 0.01 mg | 10 μg |
| 0.1 mg | 100 μg |
| 0.5 mg | 500 μg |
| 1 mg | 1000 μg |
| 2 mg | 2000 μg |
| 5 mg | 5000 μg |
| 10 mg | 10000 μg |
| 25 mg | 25000 μg |
| 50 mg | 50000 μg |
| 100 mg | 100000 μg |
