Convert from teragram to millier

Unit Definition (teragram)
The teragram is a metric unit of mass equal to 1012 grams or 1 megatonne (one million metric tons). This unit is frequently used in atmospheric science and other scientific contexts where large masses are considered.

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.