Convert from millier to gigatonne

Unit Definition (millier)
The millier is a former name for the tonne or metric ton. This name, obsolete now, was used in Britain to avoid confusion with the British long ton.

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.