## ››Convert millimicron to light hour

 millimicron light-hour

How many millimicron in 1 light-hour? The answer is 1.0792528488E+21.
We assume you are converting between millimicron and light hour.
You can view more details on each measurement unit:
millimicron or light-hour
The SI base unit for length is the metre.
1 metre is equal to 1000000000 millimicron, or 9.2656693110598E-13 light-hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimicrons and light hours.
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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

## ››Definition: Light-hour

A light-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).

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