Convert 1 light-hour to light-second

3,600 light-second
1 light-hour is equal to 3,600 light-second. To convert from light-hour to light-second, multiply by 3,600 or divide by 0.0002777777777777778.

About 1 light-hour

One light-hour

About 3,600 light-second

Three Thousand Six Hundred light-second