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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+
A foot (plural: feet, abbreviation: ft, symbol:(′) the prime symbol) is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have ..more definition+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Feet (ft) = 0.3048 meters.| 21189 Kilometers | to common length units |
|---|---|
| 21189 km | = 21189000 meters (m) |
| 21189 km | = 21189 kilometers (km) |
| 21189 km | = 2118900000 centimeters (cm) |
| 21189 km | = 69517716.535433 feet (ft) |
| 21189 km | = 834212598.4252 inches (in) |
| 21189 km | = 23172572.178478 yards (yd) |
| 21189 km | = 13166.234192317 miles (mi) |
| 21189 km | = 2.2396152626572E-9 light years (ly) |
| 21189 km | = 80084419538.195 pixels (PX) |
| 21189 km | = 1.3243125E+42 planck length (pl) |