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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+
An em is a unit in the field of typography, equal to the currently specified point size. For example, one em in a 16-point typeface is 16 points. Therefore, this unit is the sa ..more definition+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Ems (EM) = 0.0042175176 meters.| 311000 Kilometers | to common length units |
|---|---|
| 311000 km | = 311000000 meters (m) |
| 311000 km | = 311000 kilometers (km) |
| 311000 km | = 31100000000 centimeters (cm) |
| 311000 km | = 1020341207.3491 feet (ft) |
| 311000 km | = 12244094488.189 inches (in) |
| 311000 km | = 340113735.78303 yards (yd) |
| 311000 km | = 193246.44078581 miles (mi) |
| 311000 km | = 3.2871789451432E-8 light years (ly) |
| 311000 km | = 1175433218952.2 pixels (PX) |
| 311000 km | = 1.94375E+43 planck length (pl) |