Square Feet to Acres
Convert Square Feet (ft²) to Acres (ac) instantly, with a formula, reference table, and FAQ.
Formula
Square Feet × 0.0000229568 = Acres
Square Feet (ft²) and Acres (ac) are both units of area. Use the converter above for any value, or check the quick-reference table below for common amounts.
Quick reference
| ft² | ac |
|---|---|
| 1 ft² | 0.0000229568 ac |
| 5 ft² | 0.000114784 ac |
| 10 ft² | 0.000229568 ac |
| 25 ft² | 0.000573921 ac |
| 50 ft² | 0.00114784 ac |
| 100 ft² | 0.00229568 ac |
| 500 ft² | 0.0114784 ac |
| 1000 ft² | 0.0229568 ac |
Frequently asked questions
How many Acres is one Square Feet?
One Square Feet (ft²) equals 0.0000229568 Acres (ac).
How do I convert Square Feet to Acres?
Multiply the value in Square Feet by 0.0000229568 to get Acres.
Is the Square Feet to Acres conversion exact?
Yes — this converter uses the internationally defined conversion factor between square feet and acres, accurate to several decimal places.