Area conversion
Acres to Square Feet
Convert land parcels, lots, farms, and development sites from acres into square feet.
Acres
1 ac
Square Feet
43560 ft²
ft² = ac × 43560
The formula
How to convert acres to square feet
Apply ft² = ac × 43560. For example, 0.1 ac equals 4356 ft².
Precision
Accurate constants, readable results
OmniUnit calculates with the full stored conversion factor, then displays up to 12 significant digits.
Common acres conversions
| Acres | Square Feet |
|---|---|
| 0.1 ac | 4356 ft² |
| 0.25 ac | 10890 ft² |
| 0.5 ac | 21780 ft² |
| 1 ac | 43560 ft² |
| 5 ac | 217800 ft² |
| 10 ac | 435600 ft² |