The thinnest building in the world is a skyscraper in New York, USA, known as Steinway Tower or “111 West 57th Street” and reaches a maximum height of 435 meters.
Furthermore, it is also an iconic tower of the city, as it was built on top of another of lesser height that was inaugurated in 1925. That is , both structures were merged.
So, while there are many buildings in the world that stand out for their height or square meters of surface area, none is thinner than the Steinway Tower in New York.
Why is Steinway Tower the thinnest building in the world?

At first glance, any tourist or local resident might swear that the Steinway Tower is the thinnest building in the world. But there is an official explanation.
In other words, according to experts, this skyscraper has a width-to-height ratio of 1:24. A measurement that no other building of the same characteristics has achieved on the planet.
And an important fact is that, due to the tower's slenderness, the highest floors of the world's thinnest building were designed to offer minimal wind resistance and withstand swaying imperceptible to people.
What are the characteristics of the thinnest building in the world?
Now then. The thinnest building in the world is famous on Earth for this peculiarity of its structure, but that doesn't mean it's the only curious thing about the skyscraper.
From its merger with an old tower dating back to 1925, to the shared luxury among all owners, the Steinway Tower stands out because:
- It is 435 meters tall and is the fourth tallest building in the United States.
- It is divided into 84 floors.
- It does not have floor numbers 5, 6, 7, 13, 21, 22, 23, 24 and 25.
- Its construction lasted from 2014 to 2021.
- The highest habitable floor in the tower is located at a height of 346 meters.
- It is located in Midtown Manhattan.
- It has 14 elevators, seven of which are for private use by the owners of the most luxurious apartments.
Is the Steinway Tower a "Pencil Tower"?

The width-to-height ratio of the world's thinnest building is no accident. In other words, Steinway Tower is one of the many structures in New York and around the world known as a "pencil tower."
These buildings are usually similar in height to any skyscraper in the world, but with the peculiarity that they are only a few meters wide.
According to historians, the first ones were designed in Hong Kong in the mid-1970s and, currently, it is an architectural style that is also reflected in cities such as:
- New York, United States.
- Melbourne, Australia.
- Toronto, Canada.
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