How much does the Eiffel Tower grow and shrink?

Metal absorbs the heat, causing the Eiffel Tower to grow by 6.75 inches. On the other hand, it shrinks during the winter due to thermal contraction caused by freezing weather. So, the Tower shrinks between six and seven inches, depending on the weather conditions.



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The tower's metal contracts in the winter and expands in the summer allowing the tower to change in size throughout the year. The Eiffel Tower's height can change by up to 15 cm. This happens because puddled iron, which the Tower is made out of, is sensitive to the variations in temperature.

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It shrinks in winter Cold weather causes the metal of the tower to shrink, while heat makes it expand. The difference in the height of Eiffel Tower can be up to 15 centimeters.

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Here's a fact that will amaze the kids: Did you know that the Eiffel tower can grow even taller? In the summer, this famous tower can grow up to 15 cm taller! How does this happen? Heat gain causes matter (solid, liquid and gas) to expand.

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A few millimeters gained in summer, but lost in winter! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.

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In fact, the Tower has been repainted for over 130 years, about once every 7 years. So if it is repainted, the Eiffel Tower can last... forever.

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Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun. The sun only hits one of the 4 sides of the Tower creating an imbalance with the other 3 sides, that remain stable, thus causing the Eiffel Tower to lean.

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When temperatures rise, the Tower increases in size! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.

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What Are the 11 Most Interesting Facts About the Eiffel Tower?
  • It Was Designed by Gustave Eiffel. ...
  • It Took 22 Months to Complete. ...
  • The Eiffel Tower Is Made of Iron. ...
  • The Eiffel Tower Has Three Floors. ...
  • It's as heavy as an Entire Freight Train. ...
  • The Eiffel Tower Has to be Repainted Every 7 Years.


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During cold weather the tower shrinks by about six inches.

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What Are the 11 Most Interesting Facts About the Eiffel Tower?
  • It Was Designed by Gustave Eiffel. ...
  • It Took 22 Months to Complete. ...
  • The Eiffel Tower Is Made of Iron. ...
  • The Eiffel Tower Has Three Floors. ...
  • It's as heavy as an Entire Freight Train. ...
  • The Eiffel Tower Has to be Repainted Every 7 Years.


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Eiffel Tower Day 2023: Every year on March 31, Eiffel Tower Day is observed to honour the tower's inaugural. On this day in 1889, the skyscraper was revealed to the public. And even after 134 years, this monument continues to charm thousands of tourists each day.

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The Eiffel Tower gets a complete repaint every 7 years. This rhythm was recommended by Gustave Eiffel himself.

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After being built and inaugurated for the 1889 Paris Exposition Universelle, the Tower had to be returned to the City of Paris, as Gustave Eiffel had only been given a 20-year permit to use the land. But its use as a giant radio antenna saved it from destruction!

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The Tower lights and beacon are lit up every evening from dusk until 11.45pm. As soon as it gets dark, the Eiffel Tower's golden lighting switches on automatically within less than 10 minutes, thanks to light-sensitive twilight sensors. Simply check an almanac to find out what time the monument will light up.

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The Eiffel Tower was supposed to be torn down after 20 years. The tower was built with the intent of showing off France's industrial prowess during the World's Fair, but the plan was to tear it down after 20 years.

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The Eiffel Tower is made of puddle iron, a material that could last almost forever if it is repainted regularly. However, several factors pose a threat, including rust, pollution inherent to its location in a big city, bird droppings and the weather.

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The tower is currently undergoing a repaint costing 60 million euros in preparation of the 2024 Olympics, the 20th time the Tower has been repainted.

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The Eiffel Tower's ironwork has been repainted 19 times and a maintenance painting cycle takes 18 months at a cost of €4 million13. The repainting costs are estimated to be ~14% of the current construction cost of the tower.

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