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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 Light Seconds (ls) is equal to 299800000 meters, while 1 Decameters (dam) = 10 meters.| 42000 Light Seconds | to common length units |
|---|---|
| 42000 ls | = 12591600000000 meters (m) |
| 42000 ls | = 12591600000 kilometers (km) |
| 42000 ls | = 1.25916E+15 centimeters (cm) |
| 42000 ls | = 41311023622047 feet (ft) |
| 42000 ls | = 4.9573228346457E+14 inches (in) |
| 42000 ls | = 13770341207349 yards (yd) |
| 42000 ls | = 7824057504.1756 miles (mi) |
| 42000 ls | = 0.0013308952542015 light years (ly) |
| 42000 ls | = 4.7590305208227E+16 pixels (PX) |
| 42000 ls | = 7.86975E+47 planck length (pl) |