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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 Light Minutes (lmin) = 17990000000 meters.| 428000 Light Years | to common length units |
|---|---|
| 428000 ly | = 4.049308E+21 meters (m) |
| 428000 ly | = 4.049308E+18 kilometers (km) |
| 428000 ly | = 4.049308E+23 centimeters (cm) |
| 428000 ly | = 1.3285131233596E+22 feet (ft) |
| 428000 ly | = 1.5942157480315E+23 inches (in) |
| 428000 ly | = 4.4283770778653E+21 yards (yd) |
| 428000 ly | = 2.5161233396962E+18 miles (mi) |
| 428000 ly | = 428000 light years (ly) |
| 428000 ly | = 1.5304473109225E+25 pixels (PX) |
| 428000 ly | = 2.5308175E+56 planck length (pl) |