What is the size of America in square feet?

The size of America is approximately 3.8 million square miles, which is equivalent to roughly 2.4 billion acres or 9.8 million square kilometers. To convert this into square feet, we would multiply the number of square miles by 27,878,400 (which is the number of square feet in a square mile). Therefore, the size of America in square feet would be around 106 trillion square feet.