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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.| 451000 Astronomical Unit | to common length units |
|---|---|
| 451000 au | = 67468639685700000 meters (m) |
| 451000 au | = 67468639685700 kilometers (km) |
| 451000 au | = 6.74686396857E+18 centimeters (cm) |
| 451000 au | = 2.2135380474311E+17 feet (ft) |
| 451000 au | = 2.6562456569173E+18 inches (in) |
| 451000 au | = 7.3784601581037E+16 yards (yd) |
| 451000 au | = 41923069080135 miles (mi) |
| 451000 au | = 7.1312376794948 light years (ly) |
| 451000 au | = 2.5499961519E+20 pixels (PX) |
| 451000 au | = 4.2167899803563E+51 planck length (pl) |