How many megametre in 1 gigaparsec?
The answer is 3.085678E+19.
We assume you are converting between megametre and gigaparsec.
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megametre or gigaparsec
The SI base unit for length is the metre.
1 metre is equal to 1.0E-6 megametre, 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 megameters and gigaparsecs.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from gigaparsec to megametre, or enter any two units below:
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A megametre (American spelling: megameter, symbol: Mm) is a unit of length equal to 10^6 metres (from the Greek words megas = big and metro = count/measure). Its customary equivalent is 621.37 miles.
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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