Square Foot to Acre Conversion
Convert square foot to acre with precision. Enter values and get instant conversions.
Area Converter
1 Square Foot = 0 Acre
Common Conversions
About Square Foot to Acre Conversion
Converting from Square Foot to Acre is a common area conversion.
This online converter allows you to easily convert between square foot and acre, providing instant results with high precision.
Square Foot
Definition: A square foot (symbol: ft²) is an imperial and US customary unit of area equal to a square with 1 foot (12 inches) sides. One square foot equals exactly 0.09290304 square meters or 144 square inches.
History: Dates back to ancient measurement systems based on human dimensions. The international foot definition of 1959 (exactly 0.3048 meters) standardized the square foot in metric terms.
Current use: The primary unit for real estate measurements in the United States (home sizes, office spaces). Also used in construction (material estimates) and architecture in countries using imperial units. The UK uses square meters officially but square feet persists in informal contexts.
Acre
Definition: An acre is a unit of land area used in imperial and US customary systems. Traditionally defined as the area of one chain (66 feet) by one furlong (660 feet), which equals exactly 43,560 square feet or about 4,047 square meters (0.4047 hectares).
History: Dating back to medieval England, the acre represented the amount of land a yoke of oxen could plow in one day. It was standardized to its current definition in the British Imperial system and later adopted by the US.
Current use: Widely used in the United States for measuring large plots of land, farms, and real estate. Still appears in UK property descriptions despite metrication. Common in agriculture and forestry in countries using imperial measurements.
Details
- From: Square Foot
- To: Acre
- Formula: 1 Square Foot = 0.0000229568 Acre
- Example: 25 Square Foot = 0.0005739210 Acre
Square Foot to Acre Conversion Table
| Square Foot | Acre |
|---|---|
| 0.01 | 2.296e-7 |
| 0.1 | 0.0000022957 |
| 1 | 0.0000229568 |
| 2 | 0.0000459137 |
| 3 | 0.0000688705 |
| 5 | 0.0001147842 |
| 10 | 0.0002295684 |
| 20 | 0.0004591368 |
| 50 | 0.0011478421 |
| 100 | 0.0022956841 |
| 1000 | 0.0229568411 |