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square meter (m2) → acre (acre)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
m2=acre
0.01=0
0.1=0
1=0.000247
2=0.000494
3=0.000741
5=0.001236
10=0.002471
20=0.004942
50=0.012355
100=0.024711
1000=0.247105

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Brief explanation: square meter to acre

Square meter is the base unit for area. Hectare = 10,000 m². Acre ≈ 4047 m². Square foot = 0.093 m². Square km = 1 million m². Area measures two-dimensional space. Hectares are used for land (farms, parks). Acres are common in the US and UK for real estate. Square feet are standard for room sizes. When converting, remember area uses squared units—so 1 m² = 10.76 ft².

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Common conversion examples: square meter to acre

Reference values for quick comparison. Use the converter above for any amount.

  • 1 square meter=0.0002 acre
  • 10 square meter=0.0025 acre
  • 100 square meter=0.0247 acre

About the Units

square meter (m2)

Definition: A square meter (m²) is the SI unit of area. It is the area of a square with sides of one meter. It is the standard metric unit for measuring land, floors, and surfaces.
History: The square meter derives directly from the meter. It became the standard for area with the metric system. Real estate and construction adopted it in metric countries.
Current use: Square meters are used for room size, land area, and flooring. Real estate listings in metric countries use m². The US uses square feet for the same purposes.

acre (acre)

Definition: An acre is a unit of area used in the imperial and US systems. One acre equals 4,046.86 square meters or about 0.405 hectares. It was traditionally the area a yoke of oxen could plow in a day.
History: The acre has medieval English origins. It was standardized for land measurement and taxation. The international acre was defined in 1959 for consistency.
Current use: Acres are used for land area in the US, UK, and some Commonwealth countries. Real estate, farming, and forestry use acres. Most countries use hectares.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: