Light Second Conversions

1 Light Second =
3.1688088 x 10-8 Light Years
(rounded to 8 digits)
A light second is the distance that light travels in one second. It is exactly 299,792.458 kilometers or about 186,000 miles.
A light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. Therefore a light year is exactly 9,460,730,472,580.8 kilometers.

Convert Light Seconds to