Convert Acers to Square Feet
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Acre (ac)
Definition
An acre is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain (66 feet) by 1 furlong (660 feet), which equals 1/640 of a square mile, 43,560 square feet, or 4,046.8564224 square meters.
History
In the Middle Ages, an acre was the amount of land a pair of oxen could plow in one day. Different regions had their own versions of the acre, but the international acre used today was standardized in 1959 using the international yard.
Use
Acres are still commonly used in the US, UK, Canada, India, Ghana, and other countries. The US recognizes both the international and the US survey acre (~4047 m²), though the difference is typically negligible.
Square Foot (sq ft)
Definition
A square foot is a unit of area equal to a square that is one foot on each side. One square foot equals 144 square inches.
History
The square foot is derived from the foot-length unit, describing the area of a one-foot by one-foot square.
Use
Widely used in the United States and also found in Canada, the UK, India, Malaysia, Singapore, Pakistan, Bangladesh, and Hong Kong. It’s commonly used in real estate, architecture, and interior design.