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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.| 78 Kilometers | to common length units |
|---|---|
| 78 km | = 78000 meters (m) |
| 78 km | = 78 kilometers (km) |
| 78 km | = 7800000 centimeters (cm) |
| 78 km | = 255905.51181102 feet (ft) |
| 78 km | = 3070866.1417323 inches (in) |
| 78 km | = 85301.837270341 yards (yd) |
| 78 km | = 48.466952994512 miles (mi) |
| 78 km | = 8.2443716309058E-12 light years (ly) |
| 78 km | = 294803186.74686 pixels (PX) |
| 78 km | = 4.875E+39 planck length (pl) |