Convert between square millimeters, meters, kilometers, hectares, acres, and more
Enter an area value to see conversions
Convert between metric and imperial units for length, weight, temperature, and more
Convert between mm, cm, m, km, inches, feet, yards, miles, and nautical miles
Convert between mL, liters, cubic meters, gallons, quarts, pints, cups, and more
Convert between mg, g, kg, tonnes, ounces, pounds, and stones
Area Converter is a free online tool that converts area measurements between ten units: square millimeters, square centimeters, square meters, square kilometers, hectares, acres, square inches, square feet, square yards, and square miles. This tool is essential for real estate, land surveying, architecture, agriculture, and geography. Area units represent two-dimensional space, so converting between length-based area units requires squaring the linear conversion factor. For example, since 1 meter = 3.281 feet, 1 square meter = 10.764 square feet (3.281 squared). This is a common source of confusion that this converter eliminates by performing all calculations automatically. Hectares are commonly used worldwide for measuring agricultural land and parks, with 1 hectare equaling 10,000 square meters. Acres are primarily used in the US, UK, and other former British colonies, with 1 acre equaling about 4047 square meters. Whether you need to compare property sizes, calculate floor area, or convert between land measurement systems, this tool delivers instant results in your browser.
Key conversion factors: 1 m2 = 10,000 cm2 = 10.764 ft2 = 1.196 yd2 1 km2 = 100 ha = 247.105 acres = 0.386 mi2 1 hectare = 10,000 m2 = 2.471 acres 1 acre = 4,046.86 m2 = 43,560 ft2 1 ft2 = 144 in2 = 0.0929 m2 Examples: 1 hectare = 10,000 m2 = 107,639 ft2 = 2.471 ac 1 acre = 0.4047 ha = 4,047 m2