Convert from millimass unit to carat [metric]

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 (carat [metric])
A metric carat defined in 1907 to be exactly 200 milligrams.