Square Feet to Acres Converter
CommonSquare meters, acres, hectares and more.
How to convert Square Feet to Acres
Multiply the square feet value by 2.2957e-5: 1 ft² = 2.2957e-5 ac. Going the other way, 1 ac = 43,560.1 ft², so divide by 2.2957e-5 or use the Acres to Square Feet converter.
About these units
Square Feet (ft²)
A square foot is the area of a square one foot on each side, about 0.0929 square meters. Homes and commercial property in the United States are sized in square feet.
Acres (ac)
An acre is 43,560 square feet, about 4,047 square meters or 0.405 hectares. Historically it was the area a team of oxen could plough in a day.
Square Feet to Acres conversion table
| Square Feet (ft²) | Acres (ac) |
|---|---|
| 1 ft² | 2.2957e-5 ac |
| 2 ft² | 4.5914e-5 ac |
| 3 ft² | 6.887e-5 ac |
| 4 ft² | 9.1827e-5 ac |
| 5 ft² | 0.000114784 ac |
| 10 ft² | 0.000229568 ac |
| 20 ft² | 0.000459136 ac |
| 25 ft² | 0.00057392 ac |
| 50 ft² | 0.00114784 ac |
| 100 ft² | 0.00229568 ac |
| 500 ft² | 0.0114784 ac |
| 1,000 ft² | 0.0229568 ac |
More square feet conversions
- Square Feet to Square Inches1 ft² = 144 in²
- Square Feet to Square Yards1 ft² = 0.111111 yd²
- Square Feet to Square Miles1 ft² = 3.587e-8 mi²
- Square Feet to Roods1 ft² = 9.1828e-5 rd
- Square Feet to Square Meters1 ft² = 0.092903 m²
- Square Feet to Dunams1 ft² = 9.2903e-5 dunam
See every unit on the Area Converter.