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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.| 2218000000 Astronomical Unit | to common length units |
|---|---|
| 2218000000 au | = 3.318080772126E+20 meters (m) |
| 2218000000 au | = 3.318080772126E+17 kilometers (km) |
| 2218000000 au | = 3.318080772126E+22 centimeters (cm) |
| 2218000000 au | = 1.0886091772067E+21 feet (ft) |
| 2218000000 au | = 1.306331012648E+22 inches (in) |
| 2218000000 au | = 3.6286972573556E+20 yards (yd) |
| 2218000000 au | = 2.0617598053157E+17 miles (mi) |
| 2218000000 au | = 35071.14229073 light years (ly) |
| 2218000000 au | = 1.2540779301362E+24 pixels (PX) |
| 2218000000 au | = 2.0738004825788E+55 planck length (pl) |