Area units square the underlying length factor, which is where mental conversions usually go wrong. Because one foot is 0.3048 m, one square foot is 0.09290304 m², and one square metre is about 10.764 square feet, not 3.28. An acre is 43,560 sq ft (about 4,046.86 m²) and a hectare is 10,000 m², or roughly 2.471 acres. This converter lists square metres, square kilometres, square miles, hectares, acres, square feet, square inches and square yards. Use it to compare a 1,200 sq ft apartment (about 111.5 m²) with a listing quoted in square metres. Displayed results are rounded, so use official survey figures for legal land records.
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