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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+
A city block is between 1⁄20 and 1⁄8 mi (80 and 200 m). In Manhattan, the measurement "block" usually refers to a north–south block, which is 1⁄20 miles or 80 meters. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Blocks (bl) = 80.4672 meters.| 400 Light Seconds | to common length units |
|---|---|
| 400 ls | = 119920000000 meters (m) |
| 400 ls | = 119920000 kilometers (km) |
| 400 ls | = 11992000000000 centimeters (cm) |
| 400 ls | = 393438320209.97 feet (ft) |
| 400 ls | = 4721259842519.7 inches (in) |
| 400 ls | = 131146106736.66 yards (yd) |
| 400 ls | = 74514833.373101 miles (mi) |
| 400 ls | = 1.2675192897157E-5 light years (ly) |
| 400 ls | = 4.5324100198312E+14 pixels (PX) |
| 400 ls | = 7.495E+45 planck length (pl) |