640 Kilometers to Astronomical Units

Convert 640 kilometers (km) to astronomical units (AU) with formulas, examples, and conversion tables.

km
AU
640 kilometers (km) = 4.27807486631e-6 astronomical units (AU)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 astronomical unit = 149600000 kilometers
2Divide the value by the conversion factor:
640 ÷ 149600000 = 4.27807486631e-6
3Result:
640 kilometers (km) = 4.27807486631e-6 astronomical units (AU)
↔ Astronomical Units to Kilometers

Kilometers to Astronomical Units Conversion Table

KilometersAstronomical Units
1 km6.68449e-9 AU
2 km1.3369e-8 AU
3 km2.00535e-8 AU
4 km2.6738e-8 AU
5 km3.34225e-8 AU
10 km6.68449e-8 AU
20 km1.3369e-7 AU
50 km3.34225e-7 AU
100 km6.68449e-7 AU
640 km4.27807e-6 AU

640 Kilometers in Other Units

Unit640 km =
KM to Meters640000 m
Kilometers to Centimeters64000000 cm
Kilometers to Millimeters640000000 mm
Kilometers to Micrometers6.4e11 μm
Kilometers to Nanometers6.4e14 nm
KM to Miles397.677563032 mi
Kilometers to Yards699912.510936 yd
Kilometers to Feet2099737.53281 ft
Kilometers to Inches25196850.3937 in
KM to Nautical Miles345.572354212 nmi
Kilometers to Fathoms349956.255468 ftm
Kilometers to Light Years6.76461262023e-11 ly
Kilometers to Astronomical Units4.27807486631e-6 AU
Kilometers to Parsecs2.07388204796e-11 pc
Kilometers to Angstroms6.4e15 Å
Kilometers to Planck Lengths3.95977119947e40 ℓP
Kilometers to Rods127256.82017 rd

Related Conversions

5 km to AU10 km to AU20 km to AU4.3e-6 AU to kmAstronomical Units to Kilometers ConverterKilometers to Astronomical Units Converter