Acres to Square Miles (ac to mi2) Conversion

There are 0.0015625 square mile in an acre (1 mi2 = 640 ac).

To convert between acres and square miles please use the conversion tool below. Enter an acre or a square mile value into the converter and the result will be displayed.

Round:

Enter Acre

⇵

Enter Square Mile

► square miles to acres

► area conversion

Acres to square miles conversion factor is 0.0015625. To find out how many square miles in acres, multiply the acre value by the conversion factor or use the converter.

1 Acre = 0.0015625 Square Miles

For example, to find out how many square miles there are in 1000 acres, multiply the acre value by the conversion factor, 1000 ac * 0.0015625 = 1.5625 sq. miles in 1000 acres.

Acre is an imperial and US Customary systems area unit. 1 acre equals to 0.0015625 sq. mile, 0.00404686 sq. kilometer and 43560 sq. feet. The abbreviation is "ac".

Square mile is an imperial and US Customary area unit and equals to 640 acres, 259 hectares and 2.59 sq. kilometers. The abbreviation is "mi²".

Create Custom Conversion Table

To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.

How to create custom conversion table?

Start:

Increment:

Accuracy:

Acres to Square Miles Conversion