Taipei 101 Height

Taipei 101 has 101 stories above ground and five underground. Upon its completion Taipei 101 claimed the official records for:

Ground to highest architectural structure (spire): 509.2 metres (1,670.6 ft). Previously held by the Petronas Towers 452 metres (1,483 ft).
Ground to roof: 449.2 metres (1,473.75 ft). Formerly held by the Sears Tower 442 metres (1,450 ft).
Ground to highest occupied floor: 439.2 metres (1,440.94 ft). Formerly held by the Sears Tower 412 metres (1,352 ft).
Fastest ascending elevator speed: 16.83 m/s (37.5 miles/hour or 60.4 km/h).
Largest countdown clock: On display every New Year's Eve.

Taipei 101 has been the world's tallest building since 2004.*

Constructed 1999-2004
Height
Antenna/Spire 509.2 m (1670.60 ft)
Roof 449.2 m (1473.75 ft)
Top floor 439.2 m (1440.94 ft)
Floor count 101
Floor area 412,500 m2
Elevator count 61(including two doubledecker elevators)
Cost $1,760,000,000