›› Convert millimicron to em


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›› More information from the unit converter

How many millimicron in 1 em? The answer is 4217517.6.
We assume you are converting between millimicron and em.
You can view more details on each measurement unit:
millimicron or em
The SI base unit for length is the metre.
1 metre is equal to 1000000000 millimicron, or 237.10630158366 em.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimicrons and em.
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You can do the reverse unit conversion from em to millimicron, or enter any two units below:

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›› Definition: Millimicron

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

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!