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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 mile (abbreviation: mi) is a unit of distance on land in English-speaking countries equal to 5280 feet, or 1760 yards (1.609 kilometers). The mile was usually abbreviate ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Miles (mi) = 1609.344 meters.| 491000 Light Years | to common length units |
|---|---|
| 491000 ly | = 4.645351E+21 meters (m) |
| 491000 ly | = 4.645351E+18 kilometers (km) |
| 491000 ly | = 4.645351E+23 centimeters (cm) |
| 491000 ly | = 1.5240652887139E+22 feet (ft) |
| 491000 ly | = 1.8288783464567E+23 inches (in) |
| 491000 ly | = 5.0802176290464E+21 yards (yd) |
| 491000 ly | = 2.8864872892309E+18 miles (mi) |
| 491000 ly | = 491000 light years (ly) |
| 491000 ly | = 1.7557234337919E+25 pixels (PX) |
| 491000 ly | = 2.903344375E+56 planck length (pl) |