Convert Acre (acre) to Square meter (m²) (m2)
Category: Area
1 acre = 4046.856422 m2
High-precision rounding: 6 decimals
How to convert acre to square meter (m²)
We convert by pivoting through the SI base unit for Area and applying exact factors where applicable.
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Examples
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Squaring a length conversion factor incorrectly or forgetting to square it.
About Area
Area equals length squared. It appears in real estate, land management, material takeoffs, and GIS. Square meters are SI standard; acres and hectares are common for land reporting in different regions.
About Acre
Acre
Exactly 4,046.8564224 m². Traditional land area in US/UK real estate and agriculture.
History: Medieval origins as the area ploughable in a day; later standardized to a fixed metric value.
About Square meter (m²)
Square meter (m²)
SI unit of area; equals the area of a square 1 m on a side. Used from floor plans to satellite remote sensing products.
History: Defined from the meter; fundamental for land measurement and building codes.
Related conversions from acre
- acre → ha Hectare (ha)
- acre → ft2 Square foot (ft²)
- acre → km2 Square kilometer (km²)
- acre → yd2 Square yard (yd²)