Convert Acres to square feet
1 acre = 43,560 square feet · ft² = ac × 43,560
When you need this conversion
This conversion goes from acres, the land measure used in the US and UK, to square feet, the standard US unit for property and flooring. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Acres to square feet conversion table
| Acres (ac) | Square feet (ft²) |
|---|---|
| 1 ac | 43,560 ft² |
| 2 ac | 87,120 ft² |
| 3 ac | 130,680 ft² |
| 5 ac | 217,800 ft² |
| 10 ac | 435,600 ft² |
| 15 ac | 653,400 ft² |
| 20 ac | 871,200 ft² |
| 25 ac | 1,089,000 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 |
The formula
ft² = ac × 43,560Because both units measure area, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Square feet to acres →Related area conversions
- Square meters to square feet
- Acres to hectares
- Square feet to square meters
- Hectares to acres
- Square millimeters to square feet
- Square centimeters to square feet
- Square kilometers to square feet
- Square inches to square feet
- Square yards to square feet
- Square miles to square feet
- Acres to square millimeters
- Acres to square centimeters
Frequently asked questions
- How many square feet are in a acre?
- There are 43,560 square feet in 1 acre. The formula is ft² = ac × 43,560.
- How do you convert acres to square feet?
- Use the formula ft² = ac × 43,560. For example, 10 acres equals 435,600 square feet.
- Is the acres to square feet conversion exact?
- Yes. Acres and square feet are both units of area, related by an exact defined factor. Displayed results are rounded for readability.
- What is ac short for?
- ac is the standard symbol for acre. ft² is the symbol for square foot.