# Square Miles to Hectares Converter

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Convert Hectares to Square Miles (ha to sq mi) ▶

## Conversion Table

 square miles to hectares sq mi ha 1 sq mi 258.9988 ha 2 sq mi 517.9976 ha 3 sq mi 776.9964 ha 4 sq mi 1035.9952 ha 5 sq mi 1294.9941 ha 6 sq mi 1553.9929 ha 7 sq mi 1812.9917 ha 8 sq mi 2071.9905 ha 9 sq mi 2330.9893 ha 10 sq mi 2589.9881 ha 11 sq mi 2848.9869 ha 12 sq mi 3107.9857 ha 13 sq mi 3366.9845 ha 14 sq mi 3625.9834 ha 15 sq mi 3884.9822 ha 16 sq mi 4143.981 ha 17 sq mi 4402.9798 ha 18 sq mi 4661.9786 ha 19 sq mi 4920.9774 ha 20 sq mi 5179.9762 ha

## How to convert

1 square mile (sq mi) = 258.998811 hectare (ha). Square Mile (sq mi) is a unit of Area used in Standard system. Hectare (ha) is a unit of Area used in Metric system.

## Square Mile: A Unit of Area

A square mile is a unit of area that measures the size of a surface. It is defined as the area of a square whose sides are one mile long. A square mile is equal to 640 acres, 2589988.11 square meters, or 2590000 square yards. It is also a common unit of area in the United States customary system and the imperial system.

## How to Convert Square Mile to Other Units

To convert a square mile to other units of area, we need to multiply or divide by a conversion factor. A conversion factor is a number that relates two units of measurement. For example, to convert a square mile to a square meter, we need to multiply by 2589988.11, which is the conversion factor between these two units. Here are some common conversion factors for square mile and other units of area:

• 1 square mile = 2589988.11 square meters
• 1 square mile = 640 acres
• 1 square mile = 2590000 square yards
• 1 square mile = 27878400 square feet
• 1 square mile = 4014489600 square inches
• 1 square mile = 25899881100 square centimeters
• 1 square mile = 2589988110000 square millimeters
Square miles can also be marked as mi2.

## Hectare: A Unit of Area

A hectare is a unit of area that is primarily used for measuring land in the metric system. It is equal to 10,000 square meters, or 0.01 square kilometer, or 2.471 acres. The symbol for hectare is ha.

## How to Convert Hectare to Other Units

To convert a hectare to other units of area, we can use the following conversion factors:

• 1 hectare = 10,000 square meters
• 1 hectare = 0.01 square kilometer
• 1 hectare = 2.471 acres
• 1 hectare = 107,639 square feet
• 1 hectare = 11,960 square yards
• 1 hectare = 15.4 dunams (a unit used in Israel and Palestine)

To convert from other units to a hectare, we can use the inverse of these conversion factors.

For example, to convert 50 acres to hectares, we can use:

50 acres x (1 hectare / 2.471 acres) = 20.23 hectares

There is no need to add an s to an abbreviation of hectare - ha.

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