How many feet are in one acre?

One acre is defined as a unit of area equivalent to 43,560 square feet. This measurement is based on the dimensions of a rectangular plot of land that is 660 feet long and 66 feet wide, which equals one acre. The reasoning behind this figure is historically rooted in land measurement and agriculture, where it was determined to be a practical size for farming purposes. Knowing that one acre equals 43,560 square feet is essential for various applications, including land surveying, property sales, and agricultural planning. This knowledge is particularly valuable in fields related to real estate and environmental management, ensuring accurate calculations for land use and development.