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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 yoctometer (symbol: ym) or yoctometre (International spelling) is an SI measure of length that is equal to 10-24 (yocto) of a meter. It is the smallest named subdivision of the meter in the SI base unit of length.
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Yoctometers (ym) = 1.0E-24 meters.| 21450 Light Seconds | to common length units |
|---|---|
| 21450 ls | = 6430710000000 meters (m) |
| 21450 ls | = 6430710000 kilometers (km) |
| 21450 ls | = 6.43071E+14 centimeters (cm) |
| 21450 ls | = 21098129921260 feet (ft) |
| 21450 ls | = 2.5317755905512E+14 inches (in) |
| 21450 ls | = 7032709973753.3 yards (yd) |
| 21450 ls | = 3995857939.6325 miles (mi) |
| 21450 ls | = 0.00067970721911003 light years (ly) |
| 21450 ls | = 2.4305048731345E+16 pixels (PX) |
| 21450 ls | = 4.01919375E+47 planck length (pl) |