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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+
In relation to the base unit of [length] => (meters), 1 Light Seconds (ls) is equal to 299800000 meters, while 1 Rems (rem) = 0.0042333328 meters.| 1257000000000 Light Seconds | to common length units |
|---|---|
| 1257000000000 ls | = 3.768486E+20 meters (m) |
| 1257000000000 ls | = 3.768486E+17 kilometers (km) |
| 1257000000000 ls | = 3.768486E+22 centimeters (cm) |
| 1257000000000 ls | = 1.2363799212598E+21 feet (ft) |
| 1257000000000 ls | = 1.4836559055118E+22 inches (in) |
| 1257000000000 ls | = 4.1212664041995E+20 yards (yd) |
| 1257000000000 ls | = 2.3416286387497E+17 miles (mi) |
| 1257000000000 ls | = 39831.793679315 light years (ly) |
| 1257000000000 ls | = 1.4243098487319E+24 pixels (PX) |
| 1257000000000 ls | = 2.35530375E+55 planck length (pl) |