How many gigalight year in 1 astronomical unit? The answer is 1.5823337894348E-14. We assume you are converting between gigalight year and astronomical unit. You can view more details on each measurement unit: gigalight year or astronomical unit The SI base unit for length is the metre. 1 metre is equal to 1.0577248071986E-25 gigalight year, or 6.6845871222684E-12 astronomical unit. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigalight years and astronomical units. Type in your own numbers in the form to convert the units!
1 gigalight year to astronomical unit = 63197790926098 astronomical unit
2 gigalight year to astronomical unit = 1.263955818522E+14 astronomical unit
3 gigalight year to astronomical unit = 1.8959337277829E+14 astronomical unit
4 gigalight year to astronomical unit = 2.5279116370439E+14 astronomical unit
5 gigalight year to astronomical unit = 3.1598895463049E+14 astronomical unit
6 gigalight year to astronomical unit = 3.7918674555659E+14 astronomical unit
7 gigalight year to astronomical unit = 4.4238453648268E+14 astronomical unit
8 gigalight year to astronomical unit = 5.0558232740878E+14 astronomical unit
9 gigalight year to astronomical unit = 5.6878011833488E+14 astronomical unit
10 gigalight year to astronomical unit = 6.3197790926098E+14 astronomical unit
You can do the reverse unit conversion from astronomical unit to gigalight year, or enter any two units below:
One gigalight-year, abbreviation "Gly", is one billion light-years — one of the largest distance measures used. One gigalight-year equals 306.601 million parsecs, or roughly one-thirteenth the distance to the horizon of the observable universe (dictated by the cosmic background radiation). Gigalight-years are typically used to measure distances to supergalactic structures, such as clusters of quasars or the Great Wall.
The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length defined to be exactly equal to 149,597,870,700 metres. Historically, the astronomical unit was conceived as the average Earth-Sun distance (the average of Earth's aphelion and perihelion), before its modern redefinition.
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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