How many milligram in 1 microgram?
The answer is 0.001.

We assume you are converting between **milligram** and **microgram**.

You can view more details on each measurement unit:

milligram or
microgram

The SI base unit for **mass** is the kilogram.

1 kilogram is equal to 1000000 milligram, or 1000000000 microgram.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between milligrams and micrograms.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from microgram to milligram, or enter any two units below:

The SI prefix "milli" represents a factor of
10^{-3}, or in exponential notation, 1E-3.

So 1 milligram = 10^{-3} grams-force.

The SI prefix "micro" represents a factor of
10^{-6}, or in exponential notation, 1E-6.

So 1 microgram = 10^{-6} grams-force.

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