Burj Khalifa height

Burj Khalifa is the tallest building in the world according to the three main criteria of the Council on Tall Buildings and Urban Habitat (CTBUH). The CTBUH ranks the world’s tallest buildings based on ‘Height to Architectural Top,’ ‘Height to Highest Occupied Floor’ and ‘Height to Tip.’ At 828 metres (2,716.5ft), Burj Khalifa is 320 metres taller than Taipei 101, which at 508 metres (1,667 ft) had held the record for the world’s tallest building measured to the architectural top since 2004, the year the project was announced.

Burj Khalifa achieved the distinction of being the world’s tallest structure – surpassing the KVLY-TV mast (628.8 metres; 2,063 ft) in North Dakota , USA – 1,325 days after excavation work started in January 2004. The tower also beats the 31-year-old record of CN Tower, which at 553.33 metres (1,815.5 ft) had been the world’s tallest free-standing structure on land since 1976.

The official height of the tower, unveiled as ‘Burj Khalifa’, was announced as 828 metres (2,716.5 ft).

The tower’s height breaks all existing world records for tall buildings.

About the CTBUH

The Council on Tall Buildings and Urban Habitat, based at the Illinois Institute of Technology in Chicago, is an international not-for-profit organization supported by architecture, engineering, planning, development and construction professionals, designed to facilitate exchanges among those involved in all aspects of the planning, design, construction and operation of tall buildings.

Founded in 1969, the Council’s mission is to disseminate multi-disciplinary information on tall buildings and sustainable urban environments, to maximize the international interaction of professionals involved in creating the built environment, and to make the latest knowledge available to professionals in a useful form.

The CTBUH disseminates its findings, and facilitates business exchange, through: the publication of books, monographs, proceedings and reports; the organization of world congresses, international, regional and specialty conferences and workshops; the maintaining of an extensive website and tall building databases of built, under construction and proposed buildings; the distribution of a monthly international tall building e-newsletter; the maintaining of an international resource center; the bestowing of annual awards for design and construction excellence and individual lifetime achievement; the management of special task forces / working groups; the hosting of technical forums; and the publication of the CTBUH Journal, a professional journal containing refereed papers written by researchers, scholars and practicing professionals. The Council actively undertakes research into relevant fields in conjunction with its members and industrial partners, and has in place an international ‘Country Leader’ network, with CTBUH representatives promoting the mission of the Council across the globe.

The Council is the arbiter of the criteria upon which tall building height is measured, and thus the title of ‘The World’s Tallest Building’ determined. CTBUH is the world’s leading body dedicated to the field of tall buildings and urban habitat and the recognized international source for information in these fields.

CTBUH Criteria for Defining and Measuring Tall Buildings

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