## ››Convert millimetre to megaparsec

 mm megaparsec

 Did you mean to convert megametre millimetre to megaparsec

How many mm in 1 megaparsec? The answer is 3.0856776E+25.
We assume you are converting between millimetre and megaparsec.
You can view more details on each measurement unit:
mm or megaparsec
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 3.2407792700054E-23 megaparsec.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and megaparsecs.
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You can do the reverse unit conversion from megaparsec to mm, or enter any two units below:

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## ››Definition: Millimeter

A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

## ››Definition: Megaparsec

The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.

So 1 megaparsec = 106 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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