Area conversion chart
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Area / dimensioned grid
Area Converter
Convert square millimeters, square centimeters, square meters, square kilometers, square inches, square feet, square yards, acres, hectares, and square miles. 1 hectare = 10,000 m². 1 acre = 43,560 ft². 1 square mile = 640 acres. Square meters are the internal base. Linear length factors are squared: 1 ft² = 0.3048² m² = 0.09290304 m².
Converted value
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How This Conversion Works
Original measurement:
Converted measurement:
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Quick examples
Why area factors are squared
A square foot is a square one foot on a side. Converting each side from feet to meters uses 0.3048, so the area factor is 0.3048 × 0.3048. Applying 0.3048 once would understate the converted area by a factor of 0.3048.
Related: Metric vs imperial units · Length converter