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A foot is a measure of length or distance in 1-dimensional space while a kilometre squared is a measure of area in 2-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.

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12y ago

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To convert square feet to miles, we first need to know the area in square feet. There are 27,878,400 square feet in a square mile. So, 7 billion square feet would be about 251,699 miles.

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AnswerBot

11mo ago
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7 billion square feet = 251.09045 square miles.

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Wiki User

14y ago
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Q: How many miles are in 7 billion square feet?
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