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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 Finger Cloth (finer) = 0.1143 meters.| 399000 Light Years | to common length units |
|---|---|
| 399000 ly | = 3.774939E+21 meters (m) |
| 399000 ly | = 3.774939E+18 kilometers (km) |
| 399000 ly | = 3.774939E+23 centimeters (cm) |
| 399000 ly | = 1.2384970472441E+22 feet (ft) |
| 399000 ly | = 1.4861964566929E+23 inches (in) |
| 399000 ly | = 4.1283234908136E+21 yards (yd) |
| 399000 ly | = 2.3456383470532E+18 miles (mi) |
| 399000 ly | = 399000 light years (ly) |
| 399000 ly | = 1.4267487781731E+25 pixels (PX) |
| 399000 ly | = 2.359336875E+56 planck length (pl) |