Convert from flask to kilodalton

Unit Definition (flask)
The flask is a commercial unit of weight formerly used to measure liquid mercury (or quicksilver, as it was called). The flask was equal to 76.5 pounds avoirdupois, which is equivalent to almost exactly 34.7 kilograms.

Unit Definition (kilodalton)
The kilodalton is a unit of mass equal to 1000 atomic mass units.