1 acre = 43560 square feet
Convert acres to square feet.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
1 row could not be read rows could not be read
The formula
ft² = ac × 43560
Worked through with a real value: 10 acres = 435600 square feet.
Going the other way: ac = ft² × 2.29568e-05, so 1 square foot = 2.29568e-05 acres.
What each unit is
- acre ac
- A unit of land area equal to 43,560 square feet, historically defined as what a yoked ox could plough in one day. Still the standard land measurement in the United States and some Commonwealth countries.
- square foot ft²
- 144 square inches, the everyday unit for room and building floor areas in the United States and the United Kingdom.
Where these come from
- 1 acre = 4046.8564224 square meters
- 1 square foot = 0.09290304 square meters
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| acres (ac) | square feet (ft²) |
|---|---|
| 1 | 43560 |
| 2 | 87120 |
| 3 | 130680 |
| 4 | 174240 |
| 5 | 217800 |
| 6 | 261360 |
| 7 | 304920 |
| 8 | 348480 |
| 9 | 392040 |
| 10 | 435600 |
| 20 | 871200 |
| 25 | 1.08900e+06 |
| 50 | 2.17800e+06 |
| 75 | 3.26700e+06 |
| 100 | 4.35600e+06 |
| square feet (ft²) | acres (ac) |
|---|---|
| 1 | 2.29568e-05 |
| 2 | 4.59137e-05 |
| 3 | 6.88705e-05 |
| 4 | 9.18274e-05 |
| 5 | 0.000114784 |
| 6 | 0.000137741 |
| 7 | 0.000160698 |
| 8 | 0.000183655 |
| 9 | 0.000206612 |
| 10 | 0.000229568 |
| 20 | 0.000459137 |
| 25 | 0.000573921 |
| 50 | 0.00114784 |
| 75 | 0.00172176 |
| 100 | 0.00229568 |
Questions
How many square feet are in a acre?
1 acre = 43560 square feet.
How do I convert acres to square feet?
Use ft² = ac × 43560. For example, 10 acres = 435600 square feet.
How many acres are in one square foot?
1 square foot = 2.29568e-05 acres.
What is 10 acres in square feet?
10 acres = 435600 square feet.
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