Hectares to Square Feet
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1 hectare (ha) = 107639 square foot (sq ft). Hectare (ha) is a unit of Area used in Metric system. Square Foot (sq ft) is a unit of Area used in Standard system.

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.

Definition of the Hectare

The hectare is defined as the area of a square that has a side length of 100 meters. This is equivalent to 100 ares, where an are is a unit of area equal to 100 square meters.

The hectare is not an official unit in the International System of Units (SI), but it is accepted for use with SI units and internationally recognized by countries that use the metric system. It is also legally used in some domains related to land ownership, planning, and management, such as law, agriculture, forestry, and environmental protection.

History of the Hectare

The word hectare comes from the French word hectare, which in turn comes from the Greek word hekaton, meaning one hundred. The hectare was introduced in France in 1795 as part of the metric system, which aimed to simplify and standardize the units of measurement.

The hectare was originally intended to be a unit of area equal to one square hectometer, or one hundredth of a square kilometer. However, due to a mistake in the definition of the meter at that time, the actual area of a hectare was slightly larger than intended. This error was corrected in 1889, when the meter was redefined based on the distance between two marks on a platinum-iridium bar kept in Paris.

The hectare became widely used throughout the world for measuring large areas of land, especially in countries that adopted the metric system or had historical ties with France. However, some countries, such as the United Kingdom and the United States, still use other units of area, such as the acre, for some purposes.

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

Where Hectare is Used

The hectare is commonly used in many countries for measuring land area, especially for real estate, agriculture, forestry, and environmental planning. It is also used by some international organizations and conventions for reporting and comparing data on land use and cover.

Some examples of uses of the hectare are:

• The average size of a farm in Canada in 2016 was 820 hectares.
• The largest country in the world by area, Russia, has an area of about 1.7 billion hectares.
• The Amazon rainforest covers about 550 million hectares in South America.
• The smallest national park in the world by area, Moyenne Island National Park in Seychelles, has an area of about 0.09 hectare.
• The largest solar power plant in the world by area, Bhadla Solar Park in India, has an area of about 14,000 hectares.

Example Conversions of Hectare to Other Units

Here are some example conversions of a hectare to other units:

• 1 hectare = 10,000 square meters
• 1 hectare = 100 ares
• 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

Square Foot: A Unit of Area

Definition of the Square Foot

A square foot 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 foot long. A square foot is equal to 144 square inches, 0.092903 square meters, or 0.0000229568 acres. It is also a common unit of area in the United States customary system and the imperial system.

How to Convert Square Foot to Other Units

To convert a square foot 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 foot to a square meter, we need to multiply by 0.092903, which is the conversion factor between these two units. Here are some common conversion factors for square foot and other units of area:

• 1 square foot = 0.092903 square meters
• 1 square foot = 144 square inches
• 1 square foot = 0.111111 square yards
• 1 square foot = 0.0000229568 acres
• 1 square foot = 0.00000003587 square miles
• 1 square foot = 929.03 square centimeters
• 1 square foot = 92903 square millimeters

Where Square Foot is Used

The square foot is widely used in the United States, the United Kingdom, and some other countries as a standard unit of area measurement. It is used for various purposes, such as measuring the size of rooms, buildings, floors, walls, roofs, carpets, tiles, and more. Different countries may have different preferences or regulations for using the square foot or other units of area in different applications. Here are some examples:

• In the United States, the square foot is used for measuring the floor area of residential and commercial buildings, as well as the size of carpets, tiles, and roofs.
• In the United Kingdom, the square foot is used for measuring the floor area of residential and commercial buildings, as well as the size of carpets and tiles.
• In Canada, the square meter is more commonly used for measuring the floor area of buildings, but the square foot is also used for some purposes, such as real estate listings and energy efficiency ratings.
• In Australia and New Zealand, the square meter is more commonly used for measuring the floor area of buildings, but the square foot is also used for some purposes, such as real estate listings and carpet sizes.
• In India, the square foot is used for measuring the floor area of buildings and rooms, as well as the size of carpets and tiles.
• In China, the square meter is more commonly used for measuring the floor area of buildings and rooms, but the ping (a unit equal to 3.306 square meters) is also used for some purposes.

History of Square Foot

The concept of measuring area by using squares dates back to ancient times. The ancient Egyptians, Babylonians, Greeks, and Romans all used different units of area based on squares with different side lengths. For example, the ancient Egyptians used a unit called setat, which was equal to a square with sides of 100 cubits (about 52 meters). The ancient Greeks used a unit called plethron, which was equal to a square with sides of 100 feet (about 30 meters). The ancient Romans used a unit called iugerum, which was equal to a square with sides of 120 feet (about 35 meters).

The modern definition of the square foot was established in the late 18th century by the British Parliament as part of the imperial system. The imperial system was designed to create a uniform and consistent system of measurement based on traditional units that were widely used in Britain and its colonies. The original definition of the foot was derived from an iron rod that was kept in London as a standard measure. The original definition of the square foot was then derived from this definition as the area of a square whose sides are one foot long.

The definition of the foot has been revised several times over the years to improve its accuracy and precision. The current definition of the foot was adopted in 1959 by an international agreement as “the length equal to 0.3048 meter exactly”. The current definition of the square foot is then derived from this definition as before.

Example Conversions of Square Foot to Other Units

Here are some examples of converting a given area in square feet to other units:

• A room that has an area of 100 square feet can be converted to:
  • 9.2903 square meters
  • 14400 square inches
  • 11.1111 square yards
  • 0.00229568 acres
  • 0.000003587 square miles
  • 92903 square centimeters
  • 9290300 square millimeters
• A building that has an area of 10000 square feet can be converted to:
  • 929.03 square meters
  • 1440000 square inches
  • 1111.11 square yards
  • 0.229568 acres
  • 0.0003587 square miles
  • 9290300 square centimeters
  • 929030000 square millimeters
• A carpet that has an area of 10 square feet can be converted to:
  • 0.92903 square meters
  • 1440 square inches
  • 1.11111 square yards
  • 0.000229568 acres
  • 0.0000003587 square miles
  • 9290.3 square centimeters
  • 929030 square millimeters