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 in one second, and is equal to exactly 2997 ..more definition+
The kilometer (SI symbol: km) or kilometre (British spelling) is a unit of length in the metric system, equal to 1000 meters (kilo- being the SI prefix for 1000). It is the measurement unit used officially for e ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Kilometers (km) = 1000 meters.| 1 Light Seconds | to common length units |
|---|---|
| 1 ls | = 299800000 meters (m) |
| 1 ls | = 299800 kilometers (km) |
| 1 ls | = 29980000000 centimeters (cm) |
| 1 ls | = 983595800.52493 feet (ft) |
| 1 ls | = 11803149606.299 inches (in) |
| 1 ls | = 327865266.84164 yards (yd) |
| 1 ls | = 186287.08343275 miles (mi) |
| 1 ls | = 3.1687982242892E-8 light years (ly) |
| 1 ls | = 1133102504957.8 pixels (PX) |
| 1 ls | = 1.87375E+43 planck length (pl) |
| Light Seconds | to Kilometers (table conversion) |
|---|---|
| 1 ls | = 299800 km |
| 2 ls | = 599600 km |
| 3 ls | = 899400 km |
| 4 ls | = 1199200 km |
| 5 ls | = 1499000 km |
| 6 ls | = 1798800 km |
| 7 ls | = 2098600 km |
| 8 ls | = 2398400 km |
| 9 ls | = 2698200 km |
| 10 ls | = 2998000 km |
| 20 ls | = 5996000 km |
| 30 ls | = 8994000 km |
| 40 ls | = 11992000 km |
| 50 ls | = 14990000 km |
| 60 ls | = 17988000 km |
| 70 ls | = 20986000 km |
| 80 ls | = 23984000 km |
| 90 ls | = 26982000 km |
| 100 ls | = 29980000 km |
| 200 ls | = 59960000 km |
| 300 ls | = 89940000 km |
| 400 ls | = 119920000 km |
| 500 ls | = 149900000 km |
| 600 ls | = 179880000 km |
| 700 ls | = 209860000 km |
| 800 ls | = 239840000 km |
| 900 ls | = 269820000 km |
| 1000 ls | = 299800000 km |
| 2000 ls | = 599600000 km |
| 4000 ls | = 1199200000 km |
| 5000 ls | = 1499000000 km |
| 7500 ls | = 2248500000 km |
| 10000 ls | = 2998000000 km |
| 25000 ls | = 7495000000 km |
| 50000 ls | = 14990000000 km |
| 100000 ls | = 29980000000 km |
| 1000000 ls | = 299800000000 km |
| 1000000000 ls | = 299800000000000 km |