Square Feet to Acres Converter
Convert square feet to acres instantly. Perfect for real estate listings and land area calculations.
Formula: ft² × 0.0000229568 = acres
Common Conversions
Why Use Our Square Feet to Acres Converter?
Instant Results
Type any square feet value and see the acres result immediately as you type.
Highly Accurate
Uses the exact conversion factor. ft² × 0.0000229568 = acres
Swap Direction
Easily convert Acres back to Square Feet with the swap button. No need to visit a different page.
One-Click Copy
Copy the converted result to your clipboard instantly with the Copy button.
Common Values Table
See a quick reference table of 9 common square feet values and their acres equivalents.
100% Private
All conversions happen in your browser. Nothing is sent to a server or stored anywhere.
Frequently Asked Questions
How many acres in a square feet?
1 ft² = see the formula above ac. Use the formula: ft² × 0.0000229568 = acres.
How to convert square feet to acres?
To convert square feet to acres, use the formula: ft² × 0.0000229568 = acres. For example, 43560 ft² = 1 ac.
Is this square feet to acres converter accurate?
Yes. The converter uses the internationally accepted exact conversion factor. The result is accurate to at least 6 significant figures.
Can I convert acres back to square feet?
Yes. Click the "Swap direction" button to reverse the conversion. The current result becomes the new input automatically.
Does this work on mobile?
Yes. The converter works on all devices — phones, tablets, and desktops. All calculations happen in your browser.
Is my data stored anywhere?
No. All conversions run entirely in your browser. Nothing is uploaded, logged, or stored.