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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+
A football field is often used as a comparative measurement of length when talking about distances that may be hard to comprehend when stated in terms of ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Football Field Length [US] (fbf[US]) = 91.44 meters.| 421000 Light Years | to common length units |
|---|---|
| 421000 ly | = 3.983081E+21 meters (m) |
| 421000 ly | = 3.983081E+18 kilometers (km) |
| 421000 ly | = 3.983081E+23 centimeters (cm) |
| 421000 ly | = 1.3067851049869E+22 feet (ft) |
| 421000 ly | = 1.5681421259843E+23 inches (in) |
| 421000 ly | = 4.3559503499563E+21 yards (yd) |
| 421000 ly | = 2.4749717897479E+18 miles (mi) |
| 421000 ly | = 421000 light years (ly) |
| 421000 ly | = 1.5054166306037E+25 pixels (PX) |
| 421000 ly | = 2.489425625E+56 planck length (pl) |