What is the weight of the discus?

The discus, the object to be thrown, is a heavy lenticular disc with a diameter of 220 mm (8.66 inches) and a weight of two kilograms (4 lb 7 oz) for the men's event, and one kg (2 lb 3 oz) for the women's, with a smaller diameter of 181 mm (7.17 inches). In U.S. high school Track and Field, boys typically throw a discus weighing 1.616 kg (3 lb 9 oz) and the girls throw the 1 kg (2.2 lb) women's disc.