Use this calculator to convert square miles (mi²) to acres (ac) and acres to square miles. This converter is part of the full area converter tool.
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Acres to Square Miles Conversions
1 acre | 0.00156 square miles |
2 acres | 0.00313 square miles |
3 acres | 0.00469 square miles |
4 acres | 0.00625 square miles |
5 acres | 0.00781 square miles |
6 acres | 0.00938 square miles |
7 acres | 0.01094 square miles |
8 acres | 0.0125 square miles |
9 acres | 0.01406 square miles |
10 acres | 0.01563 square miles |
11 acres | 0.01719 square miles |
12 acres | 0.01875 square miles |
13 acres | 0.02031 square miles |
14 acres | 0.02188 square miles |
15 acres | 0.02344 square miles |
16 acres | 0.025 square miles |
17 acres | 0.02656 square miles |
18 acres | 0.02813 square miles |
19 acres | 0.02969 square miles |
20 acres | 0.03125 square miles |
Figures rounded to a maximum of 5 decimal places (7 with smaller numbers). |
How many square miles are there in 1 acre?
There are 0.0015625 square miles in 1 acre. To convert from acres to square miles, multiply your figure by 0.0015625 (or divide by 640) .
Square Miles to Acres Conversions
1 square mile | 640 acres |
2 square miles | 1280 acres |
3 square miles | 1920 acres |
4 square miles | 2560 acres |
5 square miles | 3200 acres |
6 square miles | 3840 acres |
7 square miles | 4480 acres |
8 square miles | 5120 acres |
9 square miles | 5760 acres |
10 square miles | 6400 acres |
11 square miles | 7040 acres |
12 square miles | 7680 acres |
13 square miles | 8320 acres |
14 square miles | 8960 acres |
15 square miles | 9600 acres |
16 square miles | 10240 acres |
17 square miles | 10880 acres |
18 square miles | 11520 acres |
19 square miles | 12160 acres |
20 square miles | 12800 acres |
Figures rounded to a maximum of 5 decimal places (7 with smaller numbers). |
How many acres are there in 1 square mile?
There are 640 acres in 1 square mile. To convert from square miles to acres, multiply your figure by 640 (or divide by 0.0015625) .
What is an acre?
The acre is a unit of land commonly employed within North America and the Caribbean. It is equal to 4,047 square metres or 43,560 square feet. This measurement is roughly equivalent to 40 per cent of a hectare. Interestingly enough, the acre can trace its roots back to mediaeval times. It was defined as the area that could be ploughed in a single day with the help of an ox. One acre is approximately 76 per cent the size of a football field. Many suburban lots are between one-quarter and one-fifth of an acre in size. You can find out more about acres in the article, how big is an acre?
What is a square mile?
Used within the United States and many other parts of the world, the square mile is one of the most common forms of measuring the area of land. It is defined as a square whose sides are each equivalent to one mile in length. One square mile is the same size as 2.59 square kilometers. There are 640 acres found within one square mile. One acre is somewhat approximated to the size of a football pitch. Aerial mapping, satellite imagery and global positioning systems will often employ square miles.
Other individual area converters
Ares and Acres, Cents and Acres, Hectares and Acres, Square Feet and Acres, Square Kilometers and Acres, Square Meters and Acres, Square Miles and Acres, Square Miles and Square Feet, Square Miles and Square Kilometers, Square Rods and Acres, Square Yards and Acres,
To convert square miles to acres (sq mi to ac), you may use the square miles to acres converter above. Alternatively, to find out how many acres there are in "x" square miles, you may use the square miles to acres table. To calculate the area in square miles and convert into acres at the same time, you may enter the dimensions in miles.
Below, you will find information of how to find out how many acres there are in "x" square miles, including the formulas and example conversions.
How many acres in a square mile?
There are 640 acres in a square mile. To convert square miles to acres, multiply the square mile value by 640.
For example, to find out how many acres there are in 10 square miles, multiply 10 by 640, that makes 6400 acres in 10 square miles.
square miles to acres formula
acre = square mile * 640
How to calculate square miles and convert to acres?
To calculate an area in square miles, multiply the length by the width in miles.
Square Mile = Length(mi) × Width(mi)
For example, to calculate an area of a 2mi x 5mi land in miles, multiply 2 by 5, that makes 10 square miles. To convert the same area to acres, multiply the result by 640. You may also use the conversion calculator above to calculate the area in both square miles and acres by entering the length and the width in miles.
How to convert acres to square miles?
1 Acre is equal to 0.0015625 square mile. To convert acres to square miles, multiply the acre value by 0.0015625 or divide by 640.
For example, to convert 100 acres to sq miles, divide 100 by 640, that makes 0.15625 sq miles in 100 acres.
acres to square miles formula
square mile = acre * 0.0015625
square mile = acre / 640
What is a Square Mile?
Square mile is an imperial and United States Customary area unit. 1 Square Mile = 640 Acres. The symbol is "mi²".
Common conversions from square miles to acres:
- 1/4 sq mile = 160 acres
- 1/2 sq mile = 320 acres
- 3/4 sq mile = 480 acres
- 1 sq mile = 640 acres
- 2 sq miles = 1280 acres
- 5 sq miles = 3200 acres
- 10 sq miles = 6400 acres
What is an Acre?
Acre is an imperial and United States Customary area unit. 1 Acre = 0.0015625 Square Miles. The symbol is "ac".
Please visit all area units conversion to convert all area units.