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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.| 63 Kilometers | to common length units |
|---|---|
| 63 km | = 63000 meters (m) |
| 63 km | = 63 kilometers (km) |
| 63 km | = 6300000 centimeters (cm) |
| 63 km | = 206692.91338583 feet (ft) |
| 63 km | = 2480314.9606299 inches (in) |
| 63 km | = 68897.637795276 yards (yd) |
| 63 km | = 39.146385110952 miles (mi) |
| 63 km | = 6.6589155480393E-12 light years (ly) |
| 63 km | = 238110266.21862 pixels (PX) |
| 63 km | = 3.9375E+39 planck length (pl) |