Shanghai Tower (Chinese: 上海中心大厦; pinyin: Shànghǎi Zhōngxīn Dàshà; Shanghainese: Zånhe Tsonshin Dasa; literally "Shanghai Center Tower") is a 632-metre (2,073 ft), 128-story megatall skyscraper in Shanghai. As of 2015, it is the world's tallest building, by height to highest usable floor (Level 121: 561.25m).