How many millimicron in 1 micromicron?
The answer is 0.001.
We assume you are converting between millimicron and micromicron.
You can view more details on each measurement unit: millimicron or
micromicron
The SI base unit for length is the metre.
1 metre is equal to 1000000000 millimicron, or 1000000000000 micromicron.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimicrons and micromicrons.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of millimicron to micromicron

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

So 1 millimicron = 10^{-3} microns.

The definition of a micron is as follows:

a metric unit of length equal to one millionth of a meter

››Definition: Micromicron

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

So 1 micromicron = 10^{-6} microns.

The definition of a micron is as follows:

a metric unit of length equal to one millionth of a meter

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