## ››Convert zeptometre to light hour

 zeptometer light-hour

How many zeptometer in 1 light-hour? The answer is 1.0792528488E+33.
We assume you are converting between zeptometre and light hour.
You can view more details on each measurement unit:
zeptometer or light-hour
The SI base unit for length is the metre.
1 metre is equal to 1.0E+21 zeptometer, 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 zeptometers and light hours.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from light-hour to zeptometer, or enter any two units below:

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## ››Definition: Zeptometre

The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.

So 1 zeptometre = 10-21 metre.

## ››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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