Square Miles to Hectares Converter
Enter the area in square miles below to get the value converted to hectares.
Result in Hectares:
Do you want to convert hectares to square miles?
How to Convert Square Miles to Hectares
To convert a measurement in square miles to a measurement in hectares, multiply the area by the following conversion ratio: 258.998811 hectares/square mile.
Since one square mile is equal to 258.998811 hectares, you can use this simple formula to convert:
hectares = square miles × 258.998811
The area in hectares is equal to the area in square miles multiplied by 258.998811.
How Many Hectares Are in a Square Mile?
There are 258.998811 hectares in a square mile, which is why we use this value in the formula above.
1 sq mi = 258.998811 ha
Square miles and hectares are both units used to measure area. Keep reading to learn more about each unit of measure.
What Is a Square Mile?
One square mile is equal to the area of a square with sides that are each 1 mile long. One square mile is roughly equal to 2.59 square kilometers or 640 acres.
The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as sq mi, and are also sometimes abbreviated as mi². For example, 1 square mile can be written as 1 sq mi or 1 mi².
Learn more about square miles.
What Is a Hectare?
One hectare is equal to 10,000 square meters,[1] or the area of a square with 100 meter sides.
The hectare is an SI accepted unit for area for use with the metric system. In the metric system, "hecto" is the prefix for 102. Hectares can be abbreviated as ha; for example, 1 hectare can be written as 1 ha.
Learn more about hectares.
Square Mile to Hectare Conversion Table
Square Miles | Hectares |
---|---|
1 sq mi | 259 ha |
2 sq mi | 518 ha |
3 sq mi | 777 ha |
4 sq mi | 1,036 ha |
5 sq mi | 1,295 ha |
6 sq mi | 1,554 ha |
7 sq mi | 1,813 ha |
8 sq mi | 2,072 ha |
9 sq mi | 2,331 ha |
10 sq mi | 2,590 ha |
11 sq mi | 2,849 ha |
12 sq mi | 3,108 ha |
13 sq mi | 3,367 ha |
14 sq mi | 3,626 ha |
15 sq mi | 3,885 ha |
16 sq mi | 4,144 ha |
17 sq mi | 4,403 ha |
18 sq mi | 4,662 ha |
19 sq mi | 4,921 ha |
20 sq mi | 5,180 ha |
21 sq mi | 5,439 ha |
22 sq mi | 5,698 ha |
23 sq mi | 5,957 ha |
24 sq mi | 6,216 ha |
25 sq mi | 6,475 ha |
26 sq mi | 6,734 ha |
27 sq mi | 6,993 ha |
28 sq mi | 7,252 ha |
29 sq mi | 7,511 ha |
30 sq mi | 7,770 ha |
31 sq mi | 8,029 ha |
32 sq mi | 8,288 ha |
33 sq mi | 8,547 ha |
34 sq mi | 8,806 ha |
35 sq mi | 9,065 ha |
36 sq mi | 9,324 ha |
37 sq mi | 9,583 ha |
38 sq mi | 9,842 ha |
39 sq mi | 10,101 ha |
40 sq mi | 10,360 ha |
References
- Cambridge Dictionary, hectare, https://dictionary.cambridge.org/us/dictionary/english/hectare
More Square Mile & Hectare Conversions
- square miles to acres
- square miles to square yards
- square miles to square feet
- square miles to square inches
- square miles to square kilometers
- square miles to square meters
- square miles to square centimeters
- square miles to square millimeters
- square miles to ares
- acres to hectares
- square yards to hectares
- square feet to hectares
- square inches to hectares
- square kilometers to hectares
- square meters to hectares
- square centimeters to hectares
- square millimeters to hectares
- ares to hectares