Is 649 square feet as big as United States?
It's about 0.000000000006 times as big as United States
The size of United States is about 105,773,400,000,000.0000000000000000000000 square feet.
(a.k.a. United States of America, a.k.a. America, a.k.a. USA, a.k.a. US)
The third or fourth largest country in the world (there is some dispute in how China's total area is measured), the United States measures 105,773,400,000,000.0000000000000000000000 square feet in total area. The United States is the third-most populous country in the world, home to over 300 million people.
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