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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+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Zettameters (Zm) = 1.0E+21 meters.| 55 Kilometers | to common length units |
|---|---|
| 55 km | = 55000 meters (m) |
| 55 km | = 55 kilometers (km) |
| 55 km | = 5500000 centimeters (cm) |
| 55 km | = 180446.19422572 feet (ft) |
| 55 km | = 2165354.3307087 inches (in) |
| 55 km | = 60148.731408574 yards (yd) |
| 55 km | = 34.175415573053 miles (mi) |
| 55 km | = 5.8133389705105E-12 light years (ly) |
| 55 km | = 207874041.93689 pixels (PX) |
| 55 km | = 3.4375E+39 planck length (pl) |