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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.| 688500 Light Years | to common length units |
|---|---|
| 688500 ly | = 6.5138985E+21 meters (m) |
| 688500 ly | = 6.5138985E+18 kilometers (km) |
| 688500 ly | = 6.5138985E+23 centimeters (cm) |
| 688500 ly | = 2.1371058070866E+22 feet (ft) |
| 688500 ly | = 2.5645269685039E+23 inches (in) |
| 688500 ly | = 7.123686023622E+21 yards (yd) |
| 688500 ly | = 4.047548877058E+18 miles (mi) |
| 688500 ly | = 688500 light years (ly) |
| 688500 ly | = 2.4619461999302E+25 pixels (PX) |
| 688500 ly | = 4.0711865625E+56 planck length (pl) |