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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 light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space ..more definition+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Light Seconds (ls) = 299800000 meters.| 489000 Kilometers | to common length units |
|---|---|
| 489000 km | = 489000000 meters (m) |
| 489000 km | = 489000 kilometers (km) |
| 489000 km | = 48900000000 centimeters (cm) |
| 489000 km | = 1604330708.6614 feet (ft) |
| 489000 km | = 19251968503.937 inches (in) |
| 489000 km | = 534776902.88714 yards (yd) |
| 489000 km | = 303850.51300406 miles (mi) |
| 489000 km | = 5.1685868301448E-8 light years (ly) |
| 489000 km | = 1848189209220.7 pixels (PX) |
| 489000 km | = 3.05625E+43 planck length (pl) |