acres to square feet
Convert acres to square feet (or square feet to acres) instantly. Type a value in either field and the other updates live; use the swap button to flip the direction.
How It Works
One acre is exactly 43,560 square feet, so to convert acres to square feet you multiply the number of acres by 43,560. To go the other way, divide square feet by 43,560.
Frequently Asked Questions
How many square feet are in one acre?
One acre is exactly 43,560 square feet. This is the standard definition used in the United States and other countries that use the imperial system for land measurement.
Is an acre the same everywhere in the world?
The international acre, used in the US and most Commonwealth countries, is exactly 43,560 square feet. The US survey acre is very slightly different (about 43,560.17 square feet), but for practical purposes the difference is negligible.
Why is the acre still used for land?
The acre originated as the amount of land plowable by one ox in a day. It remains the standard unit for land area in the US, UK, and several other countries for real estate, agriculture, and zoning.