Free online square feet to acres converter (ft² to acre). Instant conversion, formula, table, real-world examples and FAQs.
Multiply the square feet value by the conversion factor:acre = ft² × 0
| square feet (ft²) | acres (acre) |
|---|---|
| 1 ft² | 0 acre |
| 2 ft² | 0 acre |
| 5 ft² | 0.0001 acre |
| 10 ft² | 0.0002 acre |
| 20 ft² | 0.0005 acre |
| 50 ft² | 0.0011 acre |
| 100 ft² | 0.0023 acre |
| 200 ft² | 0.0046 acre |
| 500 ft² | 0.0115 acre |
| 1000 ft² | 0.023 acre |
• square feet: Square feet dominate HK and US real estate: 1 ft² ≈ 0.0929 m². Hong Kong apartments are quoted in "squares" (呎).
• acres: The acre is an Anglo-American farm-land unit: 1 acre = 4,046.86 m², roughly the size of an American football field.
1 ft² = 0 acre. Use the converter above to compute any value, or multiply ft² by 0.
Yes — conversions use the standard international factors and are rounded to 4 decimals.
Square feet are used for HK listings, US homes, and office space. Acres are used for farmland, ranches, and suburban lots. Whenever a value is given in ft² but you need acre, this converter is the quick fix.