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square foot (ft2) → 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
ft2=acre
0.01=0
0.1=0
1=0
2=0
3=0.0001
5=0.000115
10=0.00023
20=0.000459
50=0.001148
100=0.002296
1000=0.022957

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Brief explanation: square foot 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 foot to acre

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

  • 1 square foot=0 acre
  • 10 square foot=0.0002 acre
  • 100 square foot=0.0023 acre

About the Units

square foot (ft2)

Definition: A square foot (ft²) is a unit of area equal to the area of a square with one-foot sides. One square foot equals approximately 0.0929 square meters. It is used in the US and UK.
History: The square foot derived from the foot. It became standard for real estate and construction in English-speaking countries. It remains common despite metric adoption elsewhere.
Current use: Square feet are used for room size, house area, and flooring in the US. Real estate listings use sq ft. The metric equivalent is square meters.

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: