How many gigameter in 1 light-hour?
The answer is 1079.2528488.
We assume you are converting between gigametre and light hour.
You can view more details on each measurement unit: gigameter or
light-hour
The SI base unit for length is the metre.
1 metre is equal to 1.0E-9 gigameter, 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 gigameters and light hours.
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A gigametre (American spelling: gigameter, symbol: Gm) is a unit of length equal to 10^9 metres. Its customary equivalent is 621,371 miles.

››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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