## ››Convert metric ton to gigatonne

 tonne gigatonne

 Did you mean to convert metric ton metric tonne to gigatonne

How many tonne in 1 gigatonne? The answer is 1000000000.
We assume you are converting between metric ton and gigatonne.
You can view more details on each measurement unit:
tonne or gigatonne
The SI base unit for mass is the kilogram.
1 kilogram is equal to 0.001 tonne, 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 metric tons and gigatonnes.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from gigatonne to tonne, or enter any two units below:

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## ››Definition: Metric ton

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).

## ››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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