›› Convert astronomical unit to light month


astronomical unit
light-month


›› More information from the unit converter

How many astronomical unit in 1 light-month? The answer is 5194.3389805397.
We assume you are converting between astronomical unit and light month.
You can view more details on each measurement unit:
astronomical unit or light-month
The SI base unit for length is the metre.
1 metre is equal to 6.6845871226706E-12 astronomical unit, or 1.286898515425E-15 light-month.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between astronomical units and light months.
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›› 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".


›› Definition: Light-month

A light-month (also written light month) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one full month (thirty days of 86,400 seconds each) or 777,062,051,136,000 metres (~777 Tm).


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