What unit is equivalent to 1 square mile or 640 acres?

The answer provided is not the most accurate choice regarding the equivalent of 1 square mile. The unit that is equivalent to 1 square mile is actually 640 acres. Each square mile contains exactly 640 acres, establishing a direct conversion between these two units of measure.

Acre is a specific unit of land measure, but it does not represent 1 square mile; rather, it is the building block used to calculate square miles, where 640 acres makes up one square mile.

Parcel refers to a piece of land but is not a standardized measurement unit like an acre or square mile.

Hectare is another unit of area, used predominantly outside the United States, where 1 hectare is approximately 2.47 acres. Therefore, it does not equal 1 square mile either.

The accurate representation of the relationship in question is crucial as it pertains to real estate transactions and land measurement in Texas and beyond.