Unit Definition (ons [Dutch]) The ons is a Dutch unit of weight or mass, now used as a metric unit equal to the hectogram (100 grams, or about 3.5274 ounces).
Unit Definition (etto [Italy]) The etto is an informal Italian name for the hectogram, a unit of mass equal to 100 grams or about 3.5274 ounces.
Weight/Mass 
