How many square feet are there in one acre?

One acre is defined as a unit of area that is specifically equal to 43,560 square feet. This measurement has been standardized and is commonly used in agriculture, real estate, and land surveying. The acre is traditionally used to quantify large areas of land, and this particular measurement helps with understanding how much space is available for farming or development purposes.

The other options, while representing popular round figures, do not accurately define the area of an acre. For example, 40,000 square feet is close but is not the specific measurement needed. Similarly, 48,000 and 32,000 square feet also do not equate to one acre. Understanding this specific figure is essential for anyone involved in land transactions or management, as it provides a clear and standardized reference for land area.