## ››Convert gigagram to megatonne

 gigagram megatonne

## ››More information from the unit converter

How many gigagram in 1 megatonne? The answer is 1000.
We assume you are converting between gigagram and megatonne.
You can view more details on each measurement unit:
gigagram or megatonne
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1.0E-6 gigagram, or 1.0E-9 megatonne.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigagrams and megatonnes.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of gigagram to megatonne

1 gigagram to megatonne = 0.001 megatonne

10 gigagram to megatonne = 0.01 megatonne

50 gigagram to megatonne = 0.05 megatonne

100 gigagram to megatonne = 0.1 megatonne

200 gigagram to megatonne = 0.2 megatonne

500 gigagram to megatonne = 0.5 megatonne

1000 gigagram to megatonne = 1 megatonne

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

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## ››Definition: Gigagram

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

So 1 gigagram = 109 grams-force.

## ››Definition: Megatonne

The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.

So 1 megatonne = 106 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!