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A light-year (abbreviation: ly), sometimes referred to incorrectly as a light year, is a unit of length used informally to express astronomical distances. It is approxi ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Perch (perch) = 5.0292 meters.| 1643923542 Light Years | to common length units |
|---|---|
| 1643923542 ly | = 1.5553160630862E+25 meters (m) |
| 1643923542 ly | = 1.5553160630862E+22 kilometers (km) |
| 1643923542 ly | = 1.5553160630862E+27 centimeters (cm) |
| 1643923542 ly | = 5.102742989128E+25 feet (ft) |
| 1643923542 ly | = 6.1232915869535E+26 inches (in) |
| 1643923542 ly | = 1.7009143297093E+25 yards (yd) |
| 1643923542 ly | = 9.6642859642575E+21 miles (mi) |
| 1643923542 ly | = 1643923542 light years (ly) |
| 1643923542 ly | = 5.8783606640563E+28 pixels (PX) |
| 1643923542 ly | = 9.7207253942888E+59 planck length (pl) |