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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 Decameters (dam) = 10 meters.| 2157000000000 Light Years | to common length units |
|---|---|
| 2157000000000 ly | = 2.0407377E+28 meters (m) |
| 2157000000000 ly | = 2.0407377E+25 kilometers (km) |
| 2157000000000 ly | = 2.0407377E+30 centimeters (cm) |
| 2157000000000 ly | = 6.6953336614173E+28 feet (ft) |
| 2157000000000 ly | = 8.0344003937008E+29 inches (in) |
| 2157000000000 ly | = 2.2317778871391E+28 yards (yd) |
| 2157000000000 ly | = 1.2680556176927E+25 miles (mi) |
| 2157000000000 ly | = 2157000000000 light years (ly) |
| 2157000000000 ly | = 7.7130253496725E+31 pixels (PX) |
| 2157000000000 ly | = 1.2754610625E+63 planck length (pl) |