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How tall is the Willis Tower?

The Willis Tower reaches 442.3 m (1,451 ft), roof height, excluding antenna tip.

Side by side with the Eiffel Tower, the Empire State Building and Taipei 101

The Willis Tower is taller than the Twin Towers by 25 m (83 ft).Willis Tower: 442 m (1,451 ft), measured to the roof. Twin Towers: 417 m (1,368 ft), measured to the north Tower roof.The Willis Tower is taller than the Twin Towers by 25 m (83 ft).Willis Tower: 442 m (1,451 ft), measured to the roof. Twin Towers: 417 m (1,368 ft), measured to the north Tower roof.

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Antenna tip 527 m (1,729 ft) Roof 442.3 m (1,451 ft)
Where each published height stops, drawn to scale: Antenna tip: 527 m (1,729 ft); Roof: 442.3 m (1,451 ft). The outline is a symbol; the lines are at the listed heights.

What the Willis Tower’s height measures

This is a listed vertical measurement. Check the selected source context before treating a roof, spire, antenna or pedestal as part of the same height.

Next above the Willis Tower on this site: Empire State Building, at 443 m (1,454 ft), 0.88 m (2 ft 10.5 in) taller. Next below: Twin Towers, at 417 m (1,368 ft), 25 m (83 ft) shorter.

  • Petronas Towers: 451.9 m (1,483 ft). The Petronas Towers are taller than the Willis Tower by 10 m (31 ft).

The endpoint matters: a roof, architectural tip and antenna can give different heights for the same structure. Use the named endpoint when comparing another landmark.

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Published heights

442.3 m (1,451 ft)

The Willis Tower reaches 442.3 m (1,451 ft), roof height, excluding antenna tip.

Source: Wikipedia

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527 m (1,729 ft)

The Willis Tower reaches 527 m (1,729 ft), height to the antenna tip, since the antennas were extended in 2000.

Source: Wikipedia

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Compared with the Willis Tower

Draw Willis Tower beside Empire State BuildingDraw Willis Tower beside Petronas TowersDraw Willis Tower beside Twin Towers

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Cite this page
APAHeightvs. (2026, October 17). How tall is the Willis Tower? 442.3 m (1,451 ft). https://heightvs.com/how-tall/willis-tower
MLA“How Tall Is the Willis Tower? 442.3 m (1,451 ft).” Heightvs, 17 Oct. 2026, heightvs.com/how-tall/willis-tower.
Chicago“How Tall Is the Willis Tower? 442.3 m (1,451 ft).” Heightvs. Last modified October 17, 2026. https://heightvs.com/how-tall/willis-tower.
Link<a href="https://heightvs.com/how-tall/willis-tower">How tall is the Willis Tower? 442.3 m (1,451 ft) (Heightvs)</a>

For the height itself, cite the original publisher as well: Wikipedia.

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The Willis Tower, 442.3 m (1,451 ft), drawn to scale beside the Empire State Building, 443 m (1,454 ft)