Square Foot [ft2] to Acre [ac] Converter

Definition: A square foot (ft²) is a unit of area equal to the area of a square that is 1 foot on each side. It is commonly used in the United States and other countries that use the imperial system.

History/origin: The square foot is derived from the foot, which has ancient origins and was traditionally based on the length of a human foot. Its exact definition has varied throughout history.

Current use: Square feet are widely used for measuring the area of rooms, buildings, land, and other surfaces. It's a standard unit in real estate, construction, and many other fields in the US.

Definition: An acre (ac) is a unit of area used in the imperial and US customary systems. It is equal to 43,560 square feet, or approximately 4,047 square meters.

History/origin: The acre has ancient origins, dating back to medieval England. It was originally defined as the area of land that a yoke of oxen could plow in a day.

Current use: Acres are commonly used in agriculture, land management, and real estate to measure larger areas of land. It's a prevalent unit in the United States and some other countries.