Empire State Building facts and comparisons
The Empire State Building is easy to picture as a skyline landmark, but its real scale is best understood through its floor count, build pace, and observatory climb.
Empire State Building size comparisons
The Empire State Building has 103 floors.
It was the first building in the world to exceed 100 floors, putting its Art Deco tower in the history of genuinely supertall construction.
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Street level to the 102nd-floor observatory is 1,860 steps.
That stair count gives a direct human-scale sense of the building’s vertical distance without reducing it to a single skyline number.
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It was completed in 410 days, or 13 months.
The project moved at roughly 4.5 stories per week, a construction pace that remains one of its most recognizable engineering facts.
Source: Empire State Building
Construction began in 1930 and finished in 1931.
That narrow timeline helps explain why the Empire State Building became a symbol of industrial-era building speed.
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A 222-foot antenna brings the spire to 1,472 feet.
That figure is specifically the antenna-inclusive spire height, so it should not be confused with roof height.
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Its best-known observation levels are on floors 86 and 102.
Those public viewpoints make the vertical stacking of the building part of its visitor experience, not just an architectural statistic.
Source: Empire State Building
