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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 Rems (rem) = 0.0042333328 meters.| 6468000000 Light Seconds | to common length units |
|---|---|
| 6468000000 ls | = 1939106400000000000 meters (m) |
| 6468000000 ls | = 1939106400000000 kilometers (km) |
| 6468000000 ls | = 1.9391064E+20 centimeters (cm) |
| 6468000000 ls | = 6.3618976377953E+18 feet (ft) |
| 6468000000 ls | = 7.6342771653543E+19 inches (in) |
| 6468000000 ls | = 2.1206325459318E+18 yards (yd) |
| 6468000000 ls | = 1.204904855643E+15 miles (mi) |
| 6468000000 ls | = 204.95786914702 light years (ly) |
| 6468000000 ls | = 7.328907002067E+21 pixels (PX) |
| 6468000000 ls | = 1.2119415E+53 planck length (pl) |