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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+
The siriometer is a rarely used and an obsolete astronomical unit of length, defined to be equal to about one million astronomical units (au). One siriometer is approxim ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Siriometer (sir) = 1.496E+17 meters.| 1900 Light Seconds | to common length units |
|---|---|
| 1900 ls | = 569620000000 meters (m) |
| 1900 ls | = 569620000 kilometers (km) |
| 1900 ls | = 56962000000000 centimeters (cm) |
| 1900 ls | = 1868832020997.4 feet (ft) |
| 1900 ls | = 22425984251969 inches (in) |
| 1900 ls | = 622944006999.13 yards (yd) |
| 1900 ls | = 353945458.52223 miles (mi) |
| 1900 ls | = 6.0207166261495E-5 light years (ly) |
| 1900 ls | = 2.1528947594198E+15 pixels (PX) |
| 1900 ls | = 3.560125E+46 planck length (pl) |