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The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space ..more definition+
In relation to the base unit of [length] => (meters), 1 Femtometers (fm) is equal to 1.0E-15 meters, while 1 Light Seconds (ls) = 299800000 meters.| 104000 Femtometers | to common length units |
|---|---|
| 104000 fm | = 1.04E-10 meters (m) |
| 104000 fm | = 1.04E-13 kilometers (km) |
| 104000 fm | = 1.04E-8 centimeters (cm) |
| 104000 fm | = 3.4120734908136E-10 feet (ft) |
| 104000 fm | = 4.0944881889764E-9 inches (in) |
| 104000 fm | = 1.1373578302712E-10 yards (yd) |
| 104000 fm | = 6.4622603992683E-14 miles (mi) |
| 104000 fm | = 1.0992495507874E-26 light years (ly) |
| 104000 fm | = 3.9307091566248E-7 pixels (PX) |
| 104000 fm | = 6.5E+24 planck length (pl) |