Convert from onza [Spanish] to gran [Germany]

Unit Definition (onza [Spanish])
The onça, once, oncia, onza is traditional names for the ounce unit in Romance languages. The Portuguese onça and Spanish onza equal 1/16 libra or about 28.69 grams (1.012 ounce).

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