How many square feet are in an acre?

An acre is a standard unit of area commonly used in agriculture and land measurement, particularly in the United States. It is defined as being equivalent to 43,560 square feet. This measurement is derived from its historical use in land area for farming and development, where it is practical to express larger plots of land in this unit.

The figure of 43,560 square feet per acre takes into account various factors such as the shape and dimensions of typical farmland. This definition is widely accepted and used in various sectors, including real estate, agriculture, and land management. Understanding the exact number of square feet in an acre is essential for farmers and landowners when calculating land use, crop insurance, and other planning activities involving property size.

The other options presented, while numerical, do not accurately represent the accepted measurement of an acre, underscoring the importance of memorizing this foundational figure in land measurement.