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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.| 18 Light Seconds | to common length units |
|---|---|
| 18 ls | = 5396400000 meters (m) |
| 18 ls | = 5396400 kilometers (km) |
| 18 ls | = 539640000000 centimeters (cm) |
| 18 ls | = 17704724409.449 feet (ft) |
| 18 ls | = 212456692913.39 inches (in) |
| 18 ls | = 5901574803.1496 yards (yd) |
| 18 ls | = 3353167.5017895 miles (mi) |
| 18 ls | = 5.7038368037205E-7 light years (ly) |
| 18 ls | = 20395845089240 pixels (PX) |
| 18 ls | = 3.37275E+44 planck length (pl) |