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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 Roman Actus (actus) is equal to 35.5 meters, while 1 Kilometers (km) = 1000 meters.| 18 Roman Actus | to common length units |
|---|---|
| 18 actus | = 639 meters (m) |
| 18 actus | = 0.639 kilometers (km) |
| 18 actus | = 63900 centimeters (cm) |
| 18 actus | = 2096.4566929134 feet (ft) |
| 18 actus | = 25157.480314961 inches (in) |
| 18 actus | = 698.8188976378 yards (yd) |
| 18 actus | = 0.39705619183966 miles (mi) |
| 18 actus | = 6.7540429130113E-14 light years (ly) |
| 18 actus | = 2415118.4145031 pixels (PX) |
| 18 actus | = 3.99375E+37 planck length (pl) |