## ››Convert millimicron to span

 millimicron span

How many millimicron in 1 span? The answer is 228600000.
We assume you are converting between millimicron and span.
You can view more details on each measurement unit:
millimicron or span
The SI base unit for length is the metre.
1 metre is equal to 1000000000 millimicron, or 4.3744531933508 span.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimicrons and span.
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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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