1 Kilometers to Astronomical Units

Convert 1 kilometers (km) to astronomical units (AU) with formulas, examples, and conversion tables.

km
AU
1 km = 6.6845e-9 AU
Full precision:6.6845e-9 AU
Feet + Inches:129166' 11.1"
Step-by-Step Solution

To convert 1 kilometers to astronomical units, we divide by 149600000 because one astronomical unit equals exactly 149600000 kilometers.

1 astronomical unit = 149600000 kilometers

Since there are 149600000 kilometers in every astronomical unit, we divide our value by this factor:

1 ÷ 149600000 = 6.6845e-9 astronomical units

So 1 kilometers = 6.6845e-9 astronomical units.

✓Quick check: 6.6845e-9 × 149600000 = 1 kilometers
↔ Astronomical Units to Kilometers

Kilometers to Astronomical Units Conversion Table

KilometersAstronomical Units
1 km6.6845e-9 AU
2 km1.3369e-8 AU
3 km2.0053e-8 AU
4 km2.6738e-8 AU
5 km3.3422e-8 AU
10 km6.6845e-8 AU
20 km1.3369e-7 AU
50 km3.3422e-7 AU
100 km6.6845e-7 AU

1 Kilometers in Other Units

Unit1 km =
KM to Meters1000 m
Kilometers to Centimeters100000 cm
Kilometers to Millimeters1000000 mm
Kilometers to Micrometers1000000000 μm
Kilometers to Nanometers1e+12 nm
KM to Miles0.62137 mi
Kilometers to Yards1093.61 yd
Kilometers to Feet3280.84 ft
Kilometers to Inches39370.08 in
KM to Nautical Miles0.53996 nmi
Kilometers to Fathoms546.807 ftm
Kilometers to Light Years1.057e-13 ly
Kilometers to Astronomical Units6.6845e-9 AU
Kilometers to Parsecs3.2404e-14 pc
Kilometers to Angstroms1e+13 Å
Kilometers to Planck Lengths6.1871e+37 ℓP
Kilometers to Rods198.839 rd

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