Square feet to Acres – square foot to acre Converter
1 ft² ≈ 0.0000229568 acre
Formula
acre = ft² × ≈ 0.0000229568
Square feet to acres conversion table
| square feet (ft²) | acres (acre) |
|---|---|
| 0.5 ft² | 0.0000114784 acre |
| 1 ft² | ≈ 0.0000229568 acre |
| 2 ft² | 0.0000459137 acre |
| 3 ft² | 0.0000688705 acre |
| 5 ft² | 0.000114784 acre |
| 10 ft² | 0.000229568 acre |
| 20 ft² | 0.000459137 acre |
| 25 ft² | 0.000573921 acre |
| 50 ft² | 0.00114784 acre |
| 75 ft² | 0.00172176 acre |
| 100 ft² | 0.00229568 acre |
| 250 ft² | 0.00573921 acre |
| 500 ft² | 0.0114784 acre |
| 1000 ft² | 0.0229568 acre |
| 5000 ft² | 0.114784 acre |
Square feet and acres are both area units. One square foot is approximately 0.0000229568 acres; enter any value above for an instant result, or use the table for common conversions.
Sanity-check examples
1 ft² = 0.0000229568 acre10 ft² = 0.000229568 acre100 ft² = 0.00229568 acre
Common pitfalls and look-alike units
The mu is a Chinese market unit: 1 mu = 666.667 m² (about 666.67), not to be confused with the acre (≈ 4046.86 m²) or the hectare (10000 m² = 15 mu). Confirm which unit a land figure uses before converting.
Frequently asked questions
How many acres are in a square foot?
1 square foot (ft²) is approximately 0.0000229568 acre (acre).
How do I convert square feet to acres?
Multiply the square foot value by ≈ 0.0000229568 to get acre — for example, 2 square feet = 0.0000459137 acre.
How do I convert acres back to square feet?
1 acre equals 43560 square foot. Use the swap button or the reverse conversion page linked on this page.