How many square feet are in one acre?
One acre is 43,560 ft².
Acres to Square Feet
Type a value to convert it from acres to square feet. One ac equals 43,560 ft².
Result
Acres and square feet, side by side
One acre is 43,560 ft². In the other direction, one square foot is 0.00002296 ac.
Both belong to the imperial and US system, linked by a fixed whole-number ratio rather than by measurement, so the conversion is exact.
The acre is 43,560 square feet, about 4,047 square meters or 0.4 hectares. It is the unit for land in the United States and the United Kingdom, and an American football field without its end zones is a little over an acre.
The square foot is the area of a square one foot on each side, about 0.0929 square meters. Homes and offices in the United States are listed by square footage, so a 1,000 sq ft apartment is about 93 m².
| Acre | Square foot |
|---|---|
| 1 | 43,560 |
| 10 | 435,600 |
| 50 | 2,178,000 |
| 100 | 4,356,000 |
| 500 | 21,780,000 |
| 1,000 | 43,560,000 |
Frequently asked questions
How do I convert square feet back to acres?
One square foot is 0.00002296 ac. The tool above converts in both directions.
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