Kilometer to Astronomical unit

1 km = 6.684587e-9 AU

One kilometer equals 6.684587e-9 astronomical units, and one astronomical unit equals 149,597,871 kilometers.

Kilometer to Astronomical unit formula

AU = km × 6.684587e-9

To convert kilometers to astronomical units, multiply the value by 6.684587e-9. One kilometer equals 6.684587e-9 astronomical units.

Step-by-step examples

Convert 1 kilometers to astronomical units

  1. 1Start with the value in kilometers: 1 km.
  2. 2Multiply by the conversion factor 6.684587e-9.
  3. 31 × 6.684587e-9 = 6.684587e-9 AU.

Result: 1 km = 6.684587e-9 AU

Convert 10 kilometers to astronomical units

  1. 1Start with the value in kilometers: 10 km.
  2. 2Multiply by the conversion factor 6.684587e-9.
  3. 310 × 6.684587e-9 = 6.684587e-8 AU.

Result: 10 km = 6.684587e-8 AU

Convert 100 kilometers to astronomical units

  1. 1Start with the value in kilometers: 100 km.
  2. 2Multiply by the conversion factor 6.684587e-9.
  3. 3100 × 6.684587e-9 = 6.684587e-7 AU.

Result: 100 km = 6.684587e-7 AU

Kilometer to Astronomical unit conversion table

Kilometer (km)Astronomical unit (AU)
0.016.684587e-11
0.16.684587e-10
0.53.342294e-9
16.684587e-9
21.336917e-8
32.005376e-8
42.673835e-8
53.342294e-8
106.684587e-8
201.336917e-7
251.671147e-7
503.342294e-7
1006.684587e-7
2500.000002
5000.000003
10000.000007

Kilometer to Astronomical unit chart

01.67e-83.34e-85.01e-86.68e-80 km10 km

km (horizontal) vs AU (vertical)

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Reverse: Astronomical unit to Kilometer

Frequently asked questions

How many astronomical units are in a kilometer?

There are 6.684587e-9 astronomical units in one kilometer (1 km = 6.684587e-9 AU).

How do you convert kilometers to astronomical units?

To convert kilometers to astronomical units, multiply the value by 6.684587e-9. One kilometer equals 6.684587e-9 astronomical units.

What is 10 kilometers in astronomical units?

10 kilometers equals 6.684587e-8 astronomical units.

How many kilometers are in a astronomical unit?

One astronomical unit equals 149,597,871 kilometers (1 AU = 149,597,871 km).