How many megatonne in 1 gigagram?
The answer is 0.001.
We assume you are converting between megatonne and gigagram.
You can view more details on each measurement unit: megatonne or
gigagram
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1.0E-9 megatonne, or 1.0E-6 gigagram.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between megatonnes and gigagrams.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of megatonne to gigagram

1 megatonne to gigagram = 1000 gigagram

2 megatonne to gigagram = 2000 gigagram

3 megatonne to gigagram = 3000 gigagram

4 megatonne to gigagram = 4000 gigagram

5 megatonne to gigagram = 5000 gigagram

6 megatonne to gigagram = 6000 gigagram

7 megatonne to gigagram = 7000 gigagram

8 megatonne to gigagram = 8000 gigagram

9 megatonne to gigagram = 9000 gigagram

10 megatonne to gigagram = 10000 gigagram

››Want other units?

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

The SI prefix "mega" represents a factor of
10^{6}, or in exponential notation, 1E6.

So 1 megatonne = 10^{6} 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 (= 10^{6} g).

››Definition: Gigagram

The SI prefix "giga" represents a factor of
10^{9}, or in exponential notation, 1E9.

So 1 gigagram = 10^{9} grams-force.

››Metric conversions and more

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