Office building · Virginia, United States

How Big Is the Pentagon?

The Pentagon covers about 0.096 km² (0.037 sq mi), or 24 acres. That's small enough to fit inside Holy See (Vatican City) 4.6 times. It would hold roughly 18 American football fields.

The building's footprint, not counting its 5-acre central courtyard. Its floors hold about 6.6 million sq ft.

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Questions About the Size of the Pentagon

How big is the Pentagon?

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The Pentagon covers about 0.096 km² (0.037 sq mi). The building's footprint, not counting its 5-acre central courtyard. Its floors hold about 6.6 million sq ft.

How many acres is the Pentagon?

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About 24 acres.

Is the Pentagon bigger than Holy See (Vatican City)?

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No. The Pentagon is small enough to fit inside Holy See (Vatican City) 4.6 times, which covers 0.44 km² (0.17 sq mi).

Which is bigger, the Pentagon or the Mall of America?

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The Mall of America is bigger: about 1.4 times the size of the Pentagon.

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