Convert from gigatonne to etto [Italy]

Unit Definition (gigatonne)
The gigatonne is a metric unit of mass or weight equal to one billion metric tons (tonnes) or about 2.2046 trillion pounds. This very large unit is used, for example, in discussing the amounts of carbon added to the atmosphere by human activities.

Unit Definition (etto [Italy])
The etto is an informal Italian name for the hectogram, a unit of mass equal to 100 grams or about 3.5274 ounces.