Acres to Square Miles Converter

Instantly convert Acres (ac) to Square Miles (mi²). Free online converter with formula and table.

ac
mi²
1 ac = 0.0015625 mi²
1 Acre = 0.0015625 square miles
1 Square Mile = 640 acres

Acres to Square Miles Conversion Table

Acres (ac)Square Miles (mi²)
10.0015625
20.003125
30.0046875
40.00625
50.0078125
100.015625
150.023438
200.03125
250.039063
500.078125
1000.15625
5000.78125
1,0001.5625

How to Convert Acres to Square Miles

mi² = ac × 0.0015625

Example

Convert 10 acres to square miles:

10 ac × 0.0015625 = 0.015625 mi²

About These Units

Frequently Asked Questions

How many Square Miles are in a Acre?

There are 0.0015625 Square Miles in one Acre.

How do I convert Acres to Square Miles?

To convert Acres to Square Miles, multiply the value in Acres by 0.0015625. For example, 10 Acres = 10 × 0.0015625 = 0.015625 Square Miles.

What is the formula to convert Acres to Square Miles?

The formula is: Square Miles (mi²) = Acres (ac) × 0.0015625

How do I convert Square Miles back to Acres?

To convert Square Miles to Acres, multiply by 640 (or divide by 0.0015625).