How many acres are there in one square mile?

Prepare for the National Appraiser Exam with targeted flashcards and multiple choice questions, complete with hints and explanations. Ace your test confidently!

One square mile is defined as a parcel of land that measures one mile on each side. To understand the conversion from square miles to acres, it's important to know the basic measurements: one mile is equivalent to 5,280 feet. Therefore, if you calculate the area of a square mile, you would multiply the length by the width:

1 mile x 1 mile = 5,280 feet x 5,280 feet = 27,878,400 square feet.

Now, when converting square feet to acres, we must recognize that one acre is equal to 43,560 square feet. To find out how many acres are contained in a square mile, you can divide the total number of square feet in a square mile by the number of square feet in an acre:

27,878,400 square feet / 43,560 square feet per acre = 640 acres.

This calculation shows that one square mile encompasses 640 acres, which is why the correct answer is recognized as 640 acres. Understanding this key conversion is essential for anyone involved in land measurement, appraisal, and real estate.

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