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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.| 408900 Light Years | to common length units |
|---|---|
| 408900 ly | = 3.8686029E+21 meters (m) |
| 408900 ly | = 3.8686029E+18 kilometers (km) |
| 408900 ly | = 3.8686029E+23 centimeters (cm) |
| 408900 ly | = 1.2692266732283E+22 feet (ft) |
| 408900 ly | = 1.523072007874E+23 inches (in) |
| 408900 ly | = 4.2307555774278E+21 yards (yd) |
| 408900 ly | = 2.4038383962658E+18 miles (mi) |
| 408900 ly | = 408900 light years (ly) |
| 408900 ly | = 1.4621493117668E+25 pixels (PX) |
| 408900 ly | = 2.4178768125E+56 planck length (pl) |