Kilometer to Astronomical Unit Converter

1 km = 6.684587E-9 au

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FORMULA

1 km = 6.684587E-9 au
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CONVERSION TABLE

Kilometer (km) Astronomical Unit (au)
1 km 6.684587 × 10⁻⁹ au
5 km 3.342294 × 10⁻⁸ au
10 km 6.684587 × 10⁻⁸ au
25 km 1.671147 × 10⁻⁷ au
50 km 3.342294 × 10⁻⁷ au
100 km 6.684587 × 10⁻⁷ au
250 km 0.0000016711 au
500 km 0.0000033423 au
1,000 km 0.0000066846 au
Astronomical Unit to Kilometer
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COMMON VALUES

1 km
= 6.684587 × 10⁻⁹ au
2 km
= 1.336917 × 10⁻⁸ au
3 km
= 2.005376 × 10⁻⁸ au
4 km
= 2.673835 × 10⁻⁸ au
5 km
= 3.342294 × 10⁻⁸ au
6 km
= 4.010752 × 10⁻⁸ au
7 km
= 4.679211 × 10⁻⁸ au
8 km
= 5.34767 × 10⁻⁸ au
9 km
= 6.016128 × 10⁻⁸ au
10 km
= 6.684587 × 10⁻⁸ au
12 km
= 8.021505 × 10⁻⁸ au
15 km
= 1.002688 × 10⁻⁷ au
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RELATED CONVERSIONS

Centimeter → Inch Inch → Centimeter Meter → Foot Foot → Meter Kilometer → Mile Mile → Kilometer Millimeter → Inch Inch → Millimeter Yard → Meter Meter → Yard

About Kilometer (km)

Equal to 1,000 meters, the kilometer is the standard unit for measuring road distances, marathon courses (42.195 km), and geographic separations in most countries. Road signs across Europe, Asia, and South America display distances in kilometers, making it one of the most universally encountered metric units.

About Astronomical Unit (au)

Originally based on Earth's mean distance from the Sun, the astronomical unit (AU) was fixed in 2012 at exactly 149,597,870,700 meters. Planetary scientists use AUs to express distances within the solar system: Mars orbits at about 1.52 AU, Jupiter at 5.2 AU, and the outer edge of the Kuiper Belt at roughly 50 AU.

How to Convert Kilometer to Astronomical Unit

The conversion formula is: 1 km = 6.684587E-9 au. To convert from Kilometer (km) to Astronomical Unit (au), use the formula above or the interactive converter at the top of this page.

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FAQ

How many Astronomical Unit in 1 Kilometer?

1 Kilometer (km) equals 6.684587E-9 Astronomical Unit (au).

How to convert Kilometer to Astronomical Unit?

Multiply the Kilometer value by 6.684587E-9 to get the equivalent in Astronomical Unit. Formula: 1 km = 6.684587E-9 au

What is the formula for Kilometer to Astronomical Unit conversion?

1 km = 6.684587E-9 au

Glossary

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