## ››Convert light second to light hour

 light-second light-hour

How many light-second in 1 light-hour? The answer is 3600.
We assume you are converting between light second and light hour.
You can view more details on each measurement unit:
light-second or light-hour
The SI base unit for length is the metre.
1 metre is equal to 3.3356409519815E-9 light-second, or 9.2656693110598E-13 light-hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light seconds and light hours.
Type in your own numbers in the form to convert the units!

## ››Want other units?

You can do the reverse unit conversion from light-hour to light-second, or enter any two units below:

## Enter two units to convert

 From: To:

## ››Definition: Light-second

A light-second is a unit of length. It is defined as the distance light travels in an absolute vacuum in one second or 299,792,458 meters. Note that this value is considered exact, since the meter is actually (as of 1983) defined in terms of the light second. It is just over 186,282 miles and almost 109 feet.

## ››Definition: Light-hour

A light-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).

## ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!