Area Converters

Convert area between metric and imperial units — square meters, square feet, hectares, acres, square kilometers, and square miles. Each calculator runs entirely in your browser, updates as you type, and includes a worked reference table plus the mathematical formula.

Area measurement underlies real estate, agriculture, conservation, civil engineering, and textile trade. Two systems split the work. The metric family — square meters, hectares, square kilometers — derives directly from the SI meter and anchors agricultural and real-estate documentation across most of the world. The US customary family — square feet, acres, square miles — evolved through medieval English land measurement and remains the everyday area language of American real estate, farmland, and federal land management. The 1959 international yard-and-pound agreement pinned every imperial area unit to an exact metric equivalent, so modern cross-system conversions are precise rather than approximate.

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