A weighing and packaging system includes a weighing apparatus (1) for weighing an article (M) and discharging an article (M) having a predetermined weight, and a packaging apparatus (200) operatively associated with the weighing apparatus (1) for receiving the article (M) discharged from the weighing apparatus (1) and packaging the article (M). An override means (85) is provided for changing an operating condition of one of the weighing and packaging apparatuses (1,200) automatically when an operating condition of the other of the weighing and packaging apparatuses (1,200) is changed.