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Free Length Converter

Astronomical Unit to kilometer.

One astronomical unit equals 149597870.7 kilometer. Use this converter for quick, accurate au to km conversions.

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Conversion formula.

1 au = 149597870.7 km

To convert astronomical unit to kilometer, multiply the value in au by 149597870.7.

Quick examples

  • 1 au = 149597870.7 km
  • 5 au = 747989353.5 km
  • 10 au = 1495978707 km
  • 100 au = 14959787070 km

Astronomical Unit to Kilometer conversion table.

Astronomical Unit (au)Kilometer (km)
1149597870.7
2299195741.4
3448793612.1
4598391482.8
5747989353.5
6897587224.2
71047185094.9
81196782965.6
91346380836.3
101495978707
111645576577.7
121795174448.4
131944772319.1
142094370189.8
152243968060.5
162393565931.2
172543163801.9
182692761672.6
192842359543.3
202991957414
Convert the other way: Kilometer to Astronomical Unit

Related conversions.

Millimeter to KilometerMillimeter to Astronomical UnitCentimeter to KilometerCentimeter to Astronomical UnitDecimeter to KilometerDecimeter to Astronomical Unit

More Astronomical Unit conversions.

au → mmau → cmau → dmau → mau → μmau → nmau → inau → ft

Frequently asked questions.

How many kilometer are in a astronomical unit?
One astronomical unit equals 149597870.7 kilometer (km).
How do I convert au to km?
Multiply the value in au by 149597870.7. For example, 10 au = 1495978707 km.
Is this conversion exact?
Yes. This converter uses the internationally defined factor: 1 au = 149597870.7 km.