How many kilometer in 1 light-hour?
The answer is 1079252848.8.
We assume you are converting between kilometre and light hour.
You can view more details on each measurement unit: kilometer or
light-hour
The SI base unit for length is the metre.
1 metre is equal to 0.001 kilometer, 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 kilometres and light hours.
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A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.

››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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