## ››Convert metre to zettametre

 meter zettameter

How many meter in 1 zettameter? The answer is 1.0E+21.
We assume you are converting between metre and zettametre.
You can view more details on each measurement unit:
meter or zettameter
The SI base unit for length is the metre.
1 metre is equal to 1 meter, 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 metres and zettameters.
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You can do the reverse unit conversion from zettameter to meter, or enter any two units below:

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## ››Definition: Meter

The metre, symbol: m, is the basic unit of distance (or of "length", in the parlance of the physical sciences) in the International System of Units. The internationally-accepted spelling of the unit in English is "metre", although the American English spelling meter is a common variant. However, both American and non-American forms of English agree that the spelling "meter" should be used as a suffix in the names of measuring devices such as chronometers and micrometers.

## ››Definition: Zettametre

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettametre = 1021 metre.

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