Acres to square feet
Type a value in acres to see it in square feet straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the acres box.
- Read the result in square feet as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
ft² = ac × 43,560
Multiply the value in acres by 43,560 to get square feet.
Example
To convert 25 ac to square feet: 25 × 43,560 = 1,089,000 ft².
Conversion table
| Acres (ac) | Square feet (ft²) |
|---|---|
| 1 | 43,560 |
| 2 | 87,120 |
| 3 | 130,680 |
| 5 | 217,800 |
| 10 | 435,600 |
| 20 | 871,200 |
| 25 | 1,089,000 |
| 50 | 2,178,000 |
| 100 | 4,356,000 |
| 250 | 10,890,000 |
| 500 | 21,780,000 |
| 1,000 | 43,560,000 |
About the units
- Acre
- The international acre is 43,560 square feet, exactly 4046.8564224 square meters, used for land in the US and UK.
- Square foot
- A square foot is exactly 0.09290304 square meter, widely used for apartment and office sizes.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many square feet are in one acre?
1 ac = 43,560 ft² exactly.
How do I convert acres to square feet?
Use ft² = ac × 43,560. For example, 25 ac = 1,089,000 ft².
How many acres are in one square foot?
1 ft² = 0.0000229568 ac.
How do I convert square meters to square feet?
Divide the square meters by 0.09290304, or multiply by about 10.7639. The factor is exact because a foot is exactly 0.3048 m.
Are the dunam, feddan and acre the same size?
No. A metric dunam is 1000 m², an Iraqi dunam 2500 m², an Egyptian feddan about 4200.83 m² and an acre 4046.8564224 m².