How many Mpc in 1 km?
The answer is 3.2407792700054E-20.
We assume you are converting between megaparsec and kilometre.
You can view more details on each measurement unit:
Mpc or km
The SI base unit for length is the metre.
1 metre is equal to 3.2407792700054E-23 Mpc, or 0.001 km.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between megaparsecs and kilometres.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from km to Mpc, or enter any two units below:
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.
A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.
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