Common Converters

Convert Kilometers to Astronomical Units

Use our accurate converter to change kilometers into astronomical units. This tool is simple to use and works instantly.

How to Calculate

To change kilometers to astronomical units, you just need to know the conversion factor.

Rule: 1 Kilometers = 0.0000000067 Astronomical Units

Kilometers to Astronomical Units
Pre-defined calculator for direct kilometers to astronomical units conversion.
Kilometers (km)
0
Astronomical Units (AU)
Formula: 1 Kilometers = 0.00000001 Astronomical

Unit Information

About Kilometers

Definition: A kilometer is equal to 1,000 meters.

History: It is a metric unit based on the meter to measure longer distances.

Where it is used: Standard unit for road signs, maps, and travel distances on land.

Kilometers to Astronomical Units Conversion Table

Kilometers [km]Astronomical Units [au]
0.01 km0.0000000001 au
0.1 km0.0000000007 au
1 km0.0000000067 au
2 km0.0000000134 au
3 km0.0000000201 au
5 km0.0000000334 au
10 km0.0000000668 au
20 km0.0000001337 au
50 km0.0000003342 au
100 km0.0000006685 au
1000 km0.0000066846 au

How to Convert Kilometers to Astronomical Units

Calculation: To convert kilometers to astronomical units, multiply the value by the conversion factor (0.0000000067).

Example: convert 15 km to au:
15 km = 15 × 0.0000000067 au = 0.0000001003 au

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