Convert acres 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
Common values, rounded for reading.
| Acres (ac) | Square feet (ft²) |
|---|---|
| 1 | 43,560 |
| 2 | 87,120 |
| 3 | 130,680 |
| 4 | 174,240 |
| 5 | 217,800 |
| 6 | 261,360 |
| 7 | 304,920 |
| 8 | 348,480 |
| 9 | 392,040 |
| 10 | 435,600 |
| 15 | 653,400 |
| 20 | 871,200 |
| 25 | 1,089,000 |
| 30 | 1,306,800 |
| 40 | 1,742,400 |
| 50 | 2,178,000 |
| 75 | 3,267,000 |
| 100 | 4,356,000 |
| 250 | 10,890,000 |
| 500 | 21,780,000 |
| 1,000 | 43,560,000 |
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.