What is the height of the Willis Tower?

The Willis Tower, originally known as the Sears Tower, has an official height of 1,451 feet, which makes it one of the tallest buildings in the United States and in the world. This measurement includes its antenna, which contributes significantly to its overall height. The tower features 110 stories and was completed in 1973. Its distinctive design, which includes a series of setbacks and a black glass exterior, has made it an iconic symbol of Chicago's skyline. The height is an important aspect of the structure, as it showcases advancements in engineering and architectural design during its time of construction, leading to its status as a pioneering skyscraper.