Convert from gran [Germany] to as, ass [Northern Europe]

Unit Definition (gran [Germany])
The gran is a traditional German weight unit, varying in size but typically about 60 milligrams.

Unit Definition (as, ass [Northern Europe])
The as, ass [Northern Europe] is a traditional unit of mass for gold and silver, used in most of northern Europe but not in England. The unit varied in size from about 48 to 58 milligrams (0.75 to 0.90 English grain).