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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+
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 Seconds (ls) is equal to 299800000 meters, while 1 Miles (mi) = 1609.344 meters.| 21 Light Seconds | to common length units |
|---|---|
| 21 ls | = 6295800000 meters (m) |
| 21 ls | = 6295800 kilometers (km) |
| 21 ls | = 629580000000 centimeters (cm) |
| 21 ls | = 20655511811.024 feet (ft) |
| 21 ls | = 247866141732.28 inches (in) |
| 21 ls | = 6885170603.6745 yards (yd) |
| 21 ls | = 3912028.7520878 miles (mi) |
| 21 ls | = 6.6544762710073E-7 light years (ly) |
| 21 ls | = 23795152604114 pixels (PX) |
| 21 ls | = 3.934875E+44 planck length (pl) |