How to convert acres to square feet
ft² = ac × 43,560Multiply the value in acres by 43,560. To go the other way, multiply by 0.00002295684114 (or divide by 43,560).
An acre is larger than a square foot: one acre contains 43,560 square feet.
Worked examples
- 1 acre1 ac × 43,560 = 43,560 ft²
- 5 acres5 ac × 43,560 = 217,800 ft²
- 10 acres10 ac × 43,560 = 435,600 ft²
- 20 acres20 ac × 43,560 = 871,200 ft²
- 100 acres100 ac × 43,560 = 4,356,000 ft²
Acres to square feet conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Acres (ac) | Square feet (ft²) |
|---|---|
| 0.1 ac | 4,356 ft² |
| 0.25 ac | 10,890 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 |
| Acres (ac) | Square feet (ft²) |
|---|---|
| 12 ac | 522,720 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 the units
Acre (ac)
43,560 ft² (4,046.8564224 m²). Historically the land one ox team could plough in a day; still the US and UK unit for land parcels.
Square foot (ft²)
A square one foot on each side, exactly 0.09290304 m². The standard unit for US home, rental and flooring areas.
Frequently asked questions
How many square feet are in one acre?
There are 43,560 square feet in one acre, and this value is exact by definition.
How do I convert acres to square feet?
Multiply the number of acres by 43,560. For example, 10 ac × 43,560 = 435,600 ft².
How many acres are in one square foot?
One square foot equals 0.00002295684114 acres. That is the reverse factor, 1 ÷ 43,560.
What is 10 acres in square feet?
10 ac = 435,600 ft².
Is this ac to ft² converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.