The boats were 170 feet 11 inches (52.10 m) long, 17 feet 9 inches (5.41 m) abeam, with a draft of 10 feet 2 inches (3.10 m) when surfaced. They had a displacement of 397 metric tons (391 long tons) surfaced and 551 metric tons (542 long tons) submerged. Curie, like the other 15 submarines of the class, featured one 17.7-inch (450 mm) bow torpedo tube and could carry as many as eight torpedoes.