›› Convert light hour to astronomical unit

astronomical unit

›› More information from the unit converter

How many light-hour in 1 astronomical unit? The answer is 0.13861243994615.
We assume you are converting between light hour and astronomical unit.
You can view more details on each measurement unit:
light-hour or astronomical unit
The SI base unit for length is the metre.
1 metre is equal to 9.2656693110598E-13 light-hour, or 6.6845871226706E-12 astronomical unit.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light hours and astronomical units.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of light-hour to astronomical unit

1 light-hour to astronomical unit = 7.21436 astronomical unit

5 light-hour to astronomical unit = 36.0718 astronomical unit

10 light-hour to astronomical unit = 72.1436 astronomical unit

15 light-hour to astronomical unit = 108.2154 astronomical unit

20 light-hour to astronomical unit = 144.28719 astronomical unit

25 light-hour to astronomical unit = 180.35899 astronomical unit

30 light-hour to astronomical unit = 216.43079 astronomical unit

40 light-hour to astronomical unit = 288.57439 astronomical unit

50 light-hour to astronomical unit = 360.71798 astronomical unit

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

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›› Common length conversions

light-hour to em
light-hour to bicron
light-hour to polegada
light-hour to nautical league
light-hour to alen
light-hour to seemeile
light-hour to goad
light-hour to royal foot
light-hour to estadio
light-hour to pik

›› 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).

›› Definition: Astronomical unit

The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).

The symbol "ua" is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common. The International Astronomical Union recommends "au" and international standard ISO 31-1 uses "AU".

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