Everyday Calculation

Free calculators and unit converters for general and everyday use.

Calculators » Conversion » Area Converter » Square feet to Acres and vice-versa

Convert between Square feet and Acres

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert area values from square feet to acres and acres to square feet.

Enter the value you want to convert, and leave the target field blank.

Result window

Download: Use this area converter offline with our all-in-one calculator app for Android and iOS.

Conversion formula

1 acre = 43560 square feet
1 square foot = 2.3E-5 acres

The symbols used are sq ft for square foot and ac for acre.

Sample conversion

Convert 900 square feet to acres

900 sq ft = 900*2.3E-5 ac = 0.0206612 ac

© everydaycalculation.com