## ››Convert gram to zettagram

 gram zettagram

How many gram in 1 zettagram? The answer is 1.0E+21.
We assume you are converting between gram and zettagram.
You can view more details on each measurement unit:
gram or zettagram
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000 gram, or 1.0E-18 zettagram.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between grams and zettagrams.
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## ››Definition: Gram

a metric unit of weight equal to one thousandth of a kilogram

## ››Definition: Zettagram

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

So 1 zettagram = 1021 grams-force.

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