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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+
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+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 408400 Kilometers | to common length units |
|---|---|
| 408400 km | = 408400000 meters (m) |
| 408400 km | = 408400 kilometers (km) |
| 408400 km | = 40840000000 centimeters (cm) |
| 408400 km | = 1339895013.1234 feet (ft) |
| 408400 km | = 16078740157.48 inches (in) |
| 408400 km | = 446631671.04112 yards (yd) |
| 408400 km | = 253767.99490973 miles (mi) |
| 408400 km | = 4.3166684282845E-8 light years (ly) |
| 408400 km | = 1543559249582.3 pixels (PX) |
| 408400 km | = 2.5525E+43 planck length (pl) |