Acres to Square Miles

Acres (ac) to square miles (sq mi) conversion calculator

How to convert acres to square miles

To find square miles from acres, you need to divide acres value by 640. See example below:

Let's convert 2000 acres to square miles:

2000 / 640 = 3,125 square miles

Conversion of acres to square miles

Acres (ac)

Sq. Miles (mi2)