## ››Convert light second to centimetre

 light-second cm

How many light-second in 1 cm? The answer is 3.3356409519815E-11.
We assume you are converting between light second and centimetre.
You can view more details on each measurement unit:
light-second or cm
The SI base unit for length is the metre.
1 metre is equal to 3.3356409519815E-9 light-second, or 100 cm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light seconds and centimetres.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of light-second to cm

1 light-second to cm = 29979245800 cm

2 light-second to cm = 59958491600 cm

3 light-second to cm = 89937737400 cm

4 light-second to cm = 119916983200 cm

5 light-second to cm = 149896229000 cm

6 light-second to cm = 179875474800 cm

7 light-second to cm = 209854720600 cm

8 light-second to cm = 239833966400 cm

9 light-second to cm = 269813212200 cm

10 light-second to cm = 299792458000 cm

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

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## ››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: Centimeter

A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. A centimetre is part of a metric system. It is the base unit in the centimetre-gram-second system of units. A corresponding unit of area is the square centimetre. A corresponding unit of volume is the cubic centimetre.

The centimetre is a now a non-standard factor, in that factors of 103 are often preferred. However, it is practical unit of length for many everyday measurements. A centimetre is approximately the width of the fingernail of an adult person.

## ››Metric conversions and more

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