Square Feet to Acres Converter
How to convert Square Feet To Acres
1 acre = 43,560 ft2.
To convert square feet to acres, use the formula: 1 acre = 43,560 ft2. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Acres are in one Square foot?
1 acre = 43,560 ft2. 1 acre = 43,560 square feet exactly. Used in US real estate and land measurement.
What is the formula to convert Square foot to Acre?
1 acre = 43,560 ft2. Multiply the Square foot value by the conversion factor to get Acre.
How do I convert Acres To Square Feet?
Use the Acres To Square Feet converter — formula: 1 acre = 43,560 ft². Click the ⇄ switch button above for the reverse conversion.
Is this Square foot to Acre converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.