Convert Acre to Square Foot

One ac equals 43,560 sq ft. This converter allows you to easily convert between Acre and Square Foot in real time.

Formula

ac × 43,560 = sq ft

Example: 1 ac = 43,560 sq ft

What is Acre?

The acre is a unit of land area in the imperial and US customary systems, defined as exactly 4,046.8564224 square meters. Its origin is medieval English, where it represented the amount of land a yoke of oxen could plow in one day. In the United States, real estate, farmland, and ranches are commonly measured in acres. One acre is approximately 0.76 of an American football field (excluding end zones). There are 640 acres in a square mile.

What is Square Foot?

The square foot is a unit of area in the imperial and US customary systems, equal to a square with sides of one foot, or exactly 0.09290304 square meters. In the United States, it is the standard unit for expressing indoor floor area in real estate listings, with homes described as having, for example, "2,000 square feet." Flooring materials, carpet, and tiles are priced and sold per square foot. Commercial lease agreements also specify office and retail space in square feet.