Square Feet to Acres Converter
Convert square feet (ft²) to acres instantly. 1 acre = 43,560 square feet.
Formula
Acres = Square Feet ÷ 43,560
How to Convert Square Feet to Acres
Divide the area in square feet by 43,560 to get the equivalent in acres. One acre contains exactly 43,560 square feet.
Example: 21,780 ft² ÷ 43,560 = 0.5 acres
Common Uses
This conversion is frequently used in real estate, land surveying, and property management. Residential lots are often measured in square feet but compared in acres for larger parcels.
Conversion Table
| Square Feet (ft²) | Acres |
|---|---|
| 1000 | 0.02296 |
| 5000 | 0.1148 |
| 10000 | 0.2296 |
| 21780 | 0.5 |
| 43560 | 1 |
| 87120 | 2 |
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Last updated: 2026-08-08