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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+
An ell is a unit of measurement, originally a cubit, i.e., approximating the length of a man's arm from the elbow ("elbow" means the bend or bow of the ell or arm) to the tip ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Ells (eel) = 1.143 meters.| 4000 Light Seconds | to common length units |
|---|---|
| 4000 ls | = 1199200000000 meters (m) |
| 4000 ls | = 1199200000 kilometers (km) |
| 4000 ls | = 1.1992E+14 centimeters (cm) |
| 4000 ls | = 3934383202099.7 feet (ft) |
| 4000 ls | = 47212598425197 inches (in) |
| 4000 ls | = 1311461067366.6 yards (yd) |
| 4000 ls | = 745148333.73101 miles (mi) |
| 4000 ls | = 0.00012675192897157 light years (ly) |
| 4000 ls | = 4.5324100198312E+15 pixels (PX) |
| 4000 ls | = 7.495E+46 planck length (pl) |