How many megameter in 1 zettameter?
The answer is 1.0E+15.
We assume you are converting between megametre and zettametre.
You can view more details on each measurement unit: megameter or
zettameter
The SI base unit for length is the metre.
1 metre is equal to 1.0E-6 megameter, or 1.0E-21 zettameter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between megameters and zettameters.
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You can do the reverse unit conversion from
zettameter to megameter, or enter any two units below:

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.

››Definition: Zettametre

The SI prefix "zetta" represents a factor of
10^{21}, or in exponential notation, 1E21.

So 1 zettametre = 10^{21} metre.

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