## ››Convert light second to nanometre

 light second nanometer

How many light second in 1 nanometer? The answer is 3.3356409519815E-18.
We assume you are converting between light second and nanometre.
You can view more details on each measurement unit:
light second or nanometer
The SI base unit for length is the metre.
1 metre is equal to 3.3356409519815E-9 light second, or 1000000000 nanometer.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light seconds and nanometres.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of light second to nanometer

1 light second to nanometer = 2.99792458E+17 nanometer

2 light second to nanometer = 5.99584916E+17 nanometer

3 light second to nanometer = 8.99377374E+17 nanometer

4 light second to nanometer = 1.199169832E+18 nanometer

5 light second to nanometer = 1.49896229E+18 nanometer

6 light second to nanometer = 1.798754748E+18 nanometer

7 light second to nanometer = 2.098547206E+18 nanometer

8 light second to nanometer = 2.398339664E+18 nanometer

9 light second to nanometer = 2.698132122E+18 nanometer

10 light second to nanometer = 2.99792458E+18 nanometer

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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: Nanometre

The SI prefix "nano" represents a factor of 10-9, or in exponential notation, 1E-9.

So 1 nanometre = 10-9 metre.

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