1 acre to square feet
1 ac = 43,560 ft². Change the amount below, or read the formula and the reference table further down.
1 acre equals
square feet
1 ac = 43,560 ft²
The formula
Acres and square feet both measure area from the same zero, so a single multiplier does the job.
ft² = ac × 43,560
Going the other way? Convert square feet to acres.
Acres to square feet table
Values either side of 1 ac.
| Acres (ac) | Square feet (ft²) |
|---|---|
| -4 | -174,240 |
| -3.5 | -152,460 |
| -3 | -130,680 |
| -2.5 | -108,900 |
| -2 | -87,120 |
| -1.5 | -65,340 |
| -1 | -43,560 |
| -0.5 | -21,780 |
| 0 | 0 |
| 0.5 | 21,780 |
| 1 | 43,560 |
| 1.5 | 65,340 |
| 2 | 87,120 |
| 2.5 | 108,900 |
| 3 | 130,680 |
| 3.5 | 152,460 |
| 4 | 174,240 |
| 4.5 | 196,020 |
| 5 | 217,800 |
| 5.5 | 239,580 |
| 6 | 261,360 |
Questions people ask
- How many square feet are in a acre?
- One acre equals 43,560 square feet.
- How do I convert acres to square feet by hand?
- Multiply the number of acres by 43,560. For a rough check, 43,560 is close enough for most everyday use.
- What is 1 acre in square feet?
- 1 acre is 43,560 square feet.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.