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Key Formulas
1 acre = 43,560 sq ft = 4,046.86 m²1 hectare = 10,000 m² = 2.47105 acres1 sq mile = 640 acres = 2.59 km²Convert between square meters, square feet, acres, hectares and more
1 acre = 43,560 sq ft = 4,046.86 m²1 hectare = 10,000 m² = 2.47105 acres1 sq mile = 640 acres = 2.59 km²Area measures the size of a two-dimensional surface. All area units relate to the square meter (m²) as the SI base unit.
Square centimeters, square meters, hectares (10,000 m²), and square kilometers (1,000,000 m²).
Square inches, square feet, square yards, acres (43,560 sq ft), and square miles (640 acres).
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