How many micromicron in 1 millimeter?
The answer is 1000000000.
We assume you are converting between micromicron and millimetre.
You can view more details on each measurement unit: micromicron or
millimeter
The SI base unit for length is the metre.
1 metre is equal to 1000000000000 micromicron, or 1000 millimeter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between micromicrons and millimetres.
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You can do the reverse unit conversion from
millimeter to micromicron, or enter any two units below:

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

››Definition: Millimeter

A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

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