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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 millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Millimeters (mm) = 0.001 meters.| 71 Kilometers | to common length units |
|---|---|
| 71 km | = 71000 meters (m) |
| 71 km | = 71 kilometers (km) |
| 71 km | = 7100000 centimeters (cm) |
| 71 km | = 232939.63254593 feet (ft) |
| 71 km | = 2795275.5905512 inches (in) |
| 71 km | = 77646.544181977 yards (yd) |
| 71 km | = 44.117354648851 miles (mi) |
| 71 km | = 7.5044921255681E-12 light years (ly) |
| 71 km | = 268346490.50035 pixels (PX) |
| 71 km | = 4.4375E+39 planck length (pl) |