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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 unit of length used to measure nuclear distances, = 10−15 meter. Named for the Italian physicist Enrico Fermi (1901–1954). Now obsolete, replaced by the SI term femtometer (symbol, fm); 1 fermi = 1 femtometer.
In relation to the base unit of [length] => (meters), 1 Kilometers (km) is equal to 1000 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 77 Kilometers | to common length units |
|---|---|
| 77 km | = 77000 meters (m) |
| 77 km | = 77 kilometers (km) |
| 77 km | = 7700000 centimeters (cm) |
| 77 km | = 252624.67191601 feet (ft) |
| 77 km | = 3031496.0629921 inches (in) |
| 77 km | = 84208.223972003 yards (yd) |
| 77 km | = 47.845581802275 miles (mi) |
| 77 km | = 8.1386745587147E-12 light years (ly) |
| 77 km | = 291023658.71164 pixels (PX) |
| 77 km | = 4.8125E+39 planck length (pl) |