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The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, f ..more definition+
The kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is ..more definition+
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Kilometers (km) = 1000 meters.| 1218000000000 Astronomical Unit | to common length units |
|---|---|
| 1218000000000 au | = 1.822102065126E+23 meters (m) |
| 1218000000000 au | = 1.822102065126E+20 kilometers (km) |
| 1218000000000 au | = 1.822102065126E+25 centimeters (cm) |
| 1218000000000 au | = 5.9780251480512E+23 feet (ft) |
| 1218000000000 au | = 7.1736301776614E+24 inches (in) |
| 1218000000000 au | = 1.9926750493504E+23 yards (yd) |
| 1218000000000 au | = 1.1322017325855E+20 miles (mi) |
| 1218000000000 au | = 19259085.351718 light years (ly) |
| 1218000000000 au | = 6.8866858381689E+26 pixels (PX) |
| 1218000000000 au | = 1.1388137907037E+58 planck length (pl) |