## Convert light second to gigaparsec

 light-second gigaparsec

How many light-second in 1 gigaparsec? The answer is 1.0292713901428E+17. We assume you are converting between light second and gigaparsec. You can view more details on each measurement unit: light-second or gigaparsec The SI base unit for length is the metre. 1 metre is equal to 3.3356409519815E-9 light-second, or 3.2407788498994E-26 gigaparsec. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light seconds and gigaparsecs. Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from gigaparsec 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: Gigaparsec

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigaparsec = 109 parsecs.

The definition of a parsec is as follows:

The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.

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