Convert from once [France] to tonelada [Portugal]

Unit Definition (once [France])
The onça, once, oncia, onza is traditional names for the ounce unit in Romance languages. The French once equals 1/16 livre or about 30.59 grams (1.079 ounce).

Unit Definition (tonelada [Portugal])
The tonelada [Portugal] is a traditional weight unit of Portugal corresponding to the English and metric ton. The Portuguese tonelada, however, equals 1728 Portuguese libras or arratels; this is about 1748.6 pounds or 793.15 kilograms.