How many microgram in 1 gigatonne?
The answer is 1.0E+21.
We assume you are converting between microgram and gigatonne.
You can view more details on each measurement unit: microgram or
gigatonne
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1000000000 microgram, 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 micrograms 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 microgram, or enter any two units below:

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

So 1 microgram = 10^{-6} grams-force.

››Definition: Gigatonne

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

So 1 gigatonne = 10^{9} 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).

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