›› Convert gigametre to astronomical unit


gigameter
astronomical unit


›› More information from the unit converter

How many gigameter in 1 astronomical unit? The answer is 149.597870691.
We assume you are converting between gigametre and astronomical unit.
You can view more details on each measurement unit:
gigameter or astronomical unit
The SI base unit for length is the metre.
1 metre is equal to 1.0E-9 gigameter, 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 gigameters and astronomical units.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of gigameter to astronomical unit

1 gigameter to astronomical unit = 0.00668 astronomical unit

10 gigameter to astronomical unit = 0.06685 astronomical unit

50 gigameter to astronomical unit = 0.33423 astronomical unit

100 gigameter to astronomical unit = 0.66846 astronomical unit

200 gigameter to astronomical unit = 1.33692 astronomical unit

500 gigameter to astronomical unit = 3.34229 astronomical unit

1000 gigameter to astronomical unit = 6.68459 astronomical unit



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›› Definition: Gigameter

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: 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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