How many gigatonne in 1 carat?
The answer is 2.0E-16.
We assume you are converting between gigatonne and carat [international].
You can view more details on each measurement unit: gigatonne or
carat
The SI base unit for mass is the kilogram.
1 kilogram is equal to 1.0E-12 gigatonne, or 5000 carat.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigatonnes and carats.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of gigatonne to carat

1 gigatonne to carat = 5.0E+15 carat

2 gigatonne to carat = 1.0E+16 carat

3 gigatonne to carat = 1.5E+16 carat

4 gigatonne to carat = 2.0E+16 carat

5 gigatonne to carat = 2.5E+16 carat

6 gigatonne to carat = 3.0E+16 carat

7 gigatonne to carat = 3.5E+16 carat

8 gigatonne to carat = 4.0E+16 carat

9 gigatonne to carat = 4.5E+16 carat

10 gigatonne to carat = 5.0E+16 carat

››Want other units?

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

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).

››Definition: Carat

Carat (mass) is a unit of mass for gems. It is equal to 0.2 gram. In the United States, carat almost exclusively means the unit of mass.

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