## ››Convert ton [metric] to gigatonne

 ton [metric] gigatonne

 Did you mean to convert ton [short, US] long ton ton [metric] ton [long, UK] to gigatonne

How many ton [metric] in 1 gigatonne? The answer is 1000000000.
We assume you are converting between ton [metric] and gigatonne.
You can view more details on each measurement unit:
ton [metric] or gigatonne
The SI base unit for mass is the kilogram.
1 kilogram is equal to 0.001 ton [metric], 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 tons and gigatonnes.
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You can do the reverse unit conversion from gigatonne to ton [metric], or enter any two units below:

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## ››Definition: 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).

## ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!