Key difference
One acre equals exactly 4,046.8564224 square meters. One hectare equals exactly 10,000 square meters. That means 1 hectare equals about 2.47105 acres.
Agriculture guide
Difference between acre and hectare
Acres and hectares are land area units used in farming, property, mapping, forestry, and land planning. A hectare is larger than an acre.
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Conversion formulas
Acres to hectares: acres x 0.40468564224. Hectares to acres: hectares x 2.47105381467.
When each is used
Acres are common in the United States and some Commonwealth contexts. Hectares are common in metric agriculture, land management, and international reporting.