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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+
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+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Light Seconds (ls) = 299800000 meters.| 3960000000000 Light Years | to common length units |
|---|---|
| 3960000000000 ly | = 3.746556E+28 meters (m) |
| 3960000000000 ly | = 3.746556E+25 kilometers (km) |
| 3960000000000 ly | = 3.746556E+30 centimeters (cm) |
| 3960000000000 ly | = 1.2291850393701E+29 feet (ft) |
| 3960000000000 ly | = 1.4750220472441E+30 inches (in) |
| 3960000000000 ly | = 4.0972834645669E+28 yards (yd) |
| 3960000000000 ly | = 2.3280019685039E+25 miles (mi) |
| 3960000000000 ly | = 3960000000000 light years (ly) |
| 3960000000000 ly | = 1.4160213437507E+32 pixels (PX) |
| 3960000000000 ly | = 2.3415975E+63 planck length (pl) |