HMS "Warrior" is long between perpendiculars and long overall. She has a beam of and a draught of . The ship displaces and has a tonnage of 6,109 tons burthen. The ship's length made her relatively unmanoeuvrable, making it harder for her to use her strengthened stem for ramming, an ancient tactic that was coming back into use at the time. The ends of the hull are subdivided by watertight transverse bulkheads and decks into 92 compartments, and the hull has a double bottom underneath the engine and boiler rooms.