## Convert atomic mass unit [1960] to gigatonne

 atomic mass unit gigatonne

 Did you mean to convert atomic mass unit [1960] atomic mass unit [1973] atomic mass unit [1986] atomic mass unit [1998] to gigatonne

How many atomic mass unit in 1 gigatonne? The answer is 6.0229552894949E+38.
We assume you are converting between atomic mass unit [1960] and gigatonne.
You can view more details on each measurement unit:
atomic mass unit or gigatonne
The SI base unit for mass is the kilogram.
1 kilogram is equal to 6.0229552894949E+26 atomic mass unit, or 1.0E-12 gigatonne.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between atomic mass units and gigatonnes.
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## Definition: Gigatonne

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigatonne = 109 tonnes.

The definition of a tonne is as follows:

A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 1000 kg (= 106 g).

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