Burj Khalifa From Wikipedia, the free encyclopedia Burj Khalifa برج خليفة Burj Khalifa on 23 December 2009 Former names Burj Dubai Record height Tallest in the world since 2010[I] Preceded by Taipei 101 General information Status Complete Type Mixed-use Location Dubai, United Arab Emirates Coordinates 25°11′49.7″N 55°16′26.8″ECoordinates: 25°11′49.7″N 55°16′26.8″E Construction started January 2004 Completed 2010 Opening 4 January 2010[1] Cost $1.5 billion[2] Height Roof 828 m (2717 ft)[3] Top floor 621.3 m (2038 ft)[3] Technical details Floor count 163 habitable floors[3][4] plus 46 maintenance levels in the spire[5] and 2 parking levels in the basement Floor area 309473 m2 (3331100 sq ft)[3] Design and construction Main contractor SOM, Besix and Arabtec, Samsung C&T Supervision Consultant Engineer & Architect of Record Hyder Consulting Construction Project Manager Turner Construction Grocon[6] Planning Bauer AG and Middle East Foundations[6] Lift contractor Otis[6] VT consultant Lerch Bates[6] Architect Adrian Smith at SOM Developer Emaar Properties Structural engineer Bill Baker at SOM[7] Burj Khalifa (Arabic: برج خليفة‎ "Khalifa Tower"),[8] known as Burj Dubai prior to its inauguration, is a skyscraper in Dubai, United Arab Emirates, and is currently the tallest structure ever built, at 828 m (2717 ft).[8] Construction began on 21 September 2004, with the exterior of the structure completed on 1 October 2009. The building officially opened on 4 January 2010,[1][9] and ...