John Hancock Center (875 North Michigan Avenue)
The John Hancock Center is a 100-story skyscraper that you can visit in Chicago. The total architectural height is 344 meters.The total architectural height is 344.
It is currently the fifth tallest building in the city, with only The Willis Tower, Trump International Hotel and Tower, St Regis Chicago and Aon Center.
technical parameters John Hancock Center
| Location | Chicago, Illinois, U.S. |
| Address | 875 North Michigan Avenue (additional entrances at 175 East Delaware Place and 170 East Chestnut Street) |
| Architectural style | Structural Expressionism |
| Cost | US$100 million ($739 million in 2021 dollars) |
| Construction started | 1965 |
| Completed | 1969 |
| Owner | The Hearn Company |
| Architectural height | 1,128 ft (344 m) |
| Tip height | 1,500 ft (457 m) |
| Roof height | 1,128 ft (344 m) |
| Top floor | 1,054 ft (321 m) |
| Observatory | 1,030 ft (314 m) |
| Floor area | 2,799,973 sq ft (260,126 m2) |
| Floor count | 100 |
| Lifts / elevators | 50 /Otis/ |
| Developer | John Hancock Insurance |
| Structural engineer | Skidmore, Owings & Merrill LLP (SOM) |
| Main contractor | Tishman Construction Co. |
| Architects | Fazlur Rahman Khan Skidmore, Owings and Merrill |