Convert area measurements between metric and imperial units, including acres and hectares for land measurement.
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Result
0.000001 km²
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This tool converts between area units using fixed conversion factors, for example, 1 acre equals 43,560 square feet, 4,046.86 square meters, or 0.404686 hectares. Enter a value in any supported unit and it's converted to all others using these standard ratios.
Acres are the standard land unit in the US and UK for real estate and agriculture, while hectares (10,000 square meters) are used in most metric countries and in international agriculture and forestry statistics. One hectare is approximately 2.47 acres.
Converting 1 acre to square feet gives 43,560.06 sq ft (rounding to the standard reference figure of 43,560), and converting 1 hectare to acres gives approximately 2.471 acres. A 5-acre property, then, works out to roughly 2.02 hectares, useful when comparing US real estate listings against metric land measurements.
Confusing linear and area scaling, doubling a room's length and width doesn't double its area, it quadruples it, a common source of error when estimating material needs from a doubled dimension.
Mixing up square miles with acres when discussing land area, one square mile is 640 acres, a substantial difference easy to overlook when skimming a property listing.
Assuming 'square meter' and 'meter squared' always refer to the same context-appropriate unit as an international reader would expect, always double check whether an unfamiliar source is using metric or imperial area units before comparing figures.
One acre equals 43,560 square feet, a standard unit for measuring land, especially in the US.
A hectare (10,000 square meters) is larger than an acre (about 4,047 square meters), hectares are the standard metric unit for land area used in most countries outside the US.
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