Convert from millimass unit to millier

Unit Definition (millimass unit)
The millimass unit is a unit of mass equal to 0.001 atomic mass unit, used in physics and chemistry. This unit is also called the millidalton (mDa). The millimass unit is an SI unit, but its proper SI symbol is mu, not the older symbol mmu.

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.