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NOVA Online: Pyramids—The Inside Story (see bottom of page for navigation)
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How Tall?

View from top of pyramidAt 146.5 m (481 ft) high, the Great Pyramid stood as the tallest structure in the world for more than 4,000 years. Today it stands at 137 m (449.5 ft) high, having lost 9.5 m (31 ft) from the top.

Here's how the Great Pyramid compares to some modern structures.

Diagram of pyramid height vs. other historical structures

Build the Great Pyramid to scale so you can see how its height compares to other scaled objects.

Back to Scaling the Pyramids


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