1 Square Miles to Acres

Instantly convert 1 Square Miles to Acres. Free online converter.

1 Square Miles = 640 Acres
1 mi² = 640 ac

Convert Another Value

mi²
ac
1 mi² = 640 ac

More Square Miles to Acres Conversions

2 mi² = 1,280 ac 5 mi² = 3,200 ac 10 mi² = 6,400 ac 15 mi² = 9,600 ac 20 mi² = 12,800 ac 25 mi² = 16,000 ac 50 mi² = 32,000 ac 100 mi² = 64,000 ac
View all Square Miles to Acres conversions
2 mi² = 1,280 ac →

How to Convert 1 Square Miles to Acres

1

Know the conversion factor

1 Square Mile equals 640 Acres.

2

Multiply your value

Take your value (1) and multiply it by 640.

1 × 640
3

Get your result

The result is 640 Acres.

1 mi² = 640 ac

Frequently Asked Questions

How many Acres is 1 Square Miles?

1 Square Miles is equal to 640 Acres.

How do I convert 1 Square Miles to Acres?

To convert Square Miles to Acres, multiply the value by 640. So, 1 mi² × 640 = 640 ac.

What is the formula to convert Square Miles to Acres?

The formula is: ac = mi² × 640. For example, 1 mi² = 640 ac.

How many Square Miles is 640 Acres?

640 Acres is equal to 1 Square Miles. This is the reverse conversion.

About These Units

mi² Square Mile Learn more → ac Acre Learn more →

Quick Facts

Conversion Formula

ac = mi² × 640

Reverse Conversion

640 Acres = 1 Square Miles

Convert reverse →