How to convert acres to square feet
ft² = ac × 43,560
Example: 5 ac × 43,560 = 217,800 ft²
Acres to Square Feet table
| Acres (ac) | Square Feet (ft²) |
|---|---|
| 0.5 ac | 21,780 ft² |
| 1 ac | 43,560 ft² |
| 2 ac | 87,120 ft² |
| 3 ac | 130,680 ft² |
| 4 ac | 174,240 ft² |
| 5 ac | 217,800 ft² |
| 6 ac | 261,360 ft² |
| 7 ac | 304,920 ft² |
| 8 ac | 348,480 ft² |
| 9 ac | 392,040 ft² |
| 10 ac | 435,600 ft² |
| 15 ac | 653,400 ft² |
| 20 ac | 871,200 ft² |
| 25 ac | 1,089,000 ft² |
| 30 ac | 1,306,800 ft² |
| 40 ac | 1,742,400 ft² |
| 50 ac | 2,178,000 ft² |
| 75 ac | 3,267,000 ft² |
| 100 ac | 4,356,000 ft² |
| 250 ac | 10,890,000 ft² |
| 500 ac | 21,780,000 ft² |
| 1,000 ac | 43,560,000 ft² |
About these units
Acres (ac): An acre is 43,560 square feet, or exactly 4,046.8564224 m². It is the usual unit for farmland and plots in the US, UK and South Asia.
Square Feet (ft²): A square foot (sq ft) is the area of a square 1 foot on each side: exactly 0.09290304 m². Property in the US, UK, India, Pakistan and the Gulf is often listed in sq ft.
Frequently asked questions
How many square feet are in 1 acre?
1 acre equals 43,560 square feet (ft²).
How do I convert ac to ft²?
Multiply the value in acres by 43,560. For example, 5 ac × 43,560 = 217,800 ft².
How do I convert square feet back to acres?
Multiply by 0.000022956841 (or divide by 43,560). 1 ft² = 0.000022956841 ac.
What is an acre?
An acre is 43,560 square feet, or exactly 4,046.8564224 m². It is the usual unit for farmland and plots in the US, UK and South Asia.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every area unit at once? Use the Area Converter.