Square Meters to Square Kilometers Converter (sq m to sq km)
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Convert Square Kilometers to Square Meters (sq km to sq m) ▶

Conversion Table

square meters to square kilometers
sq msq km
100000 sq m 0.1 sq km
200000 sq m 0.2 sq km
300000 sq m 0.3 sq km
400000 sq m 0.4 sq km
500000 sq m 0.5 sq km
600000 sq m 0.6 sq km
700000 sq m 0.7 sq km
800000 sq m 0.8 sq km
900000 sq m 0.9 sq km
1000000 sq m 1 sq km
1100000 sq m 1.1 sq km
1200000 sq m 1.2 sq km
1300000 sq m 1.3 sq km
1400000 sq m 1.4 sq km
1500000 sq m 1.5 sq km
1600000 sq m 1.6 sq km
1700000 sq m 1.7 sq km
1800000 sq m 1.8 sq km
1900000 sq m 1.9 sq km
2000000 sq m 2 sq km

How to convert

1 square meter (sq m) = 0.000001 square kilometer (sq km). Square Meter (sq m) is a unit of Area used in Metric system. Square Kilometer (sq km) is a unit of Area used in Metric system.

Square Meter: A Unit of Area

Definition of the Square Meter

A square meter 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 meter long. A square meter is equal to 10,000 square centimeters, 1,000,000 square millimeters, or 0.0001 hectares. It is also the base unit of area in the International System of Units (SI).

How to Convert Square Meter to Other Units

To convert a square meter 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 meter to a square foot, we need to multiply by 10.7639, which is the conversion factor between these two units. Here are some common conversion factors for square meter and other units of area:

  • 1 square meter = 10.7639 square feet
  • 1 square meter = 1.19599 square yards
  • 1 square meter = 0.000247105 acres
  • 1 square meter = 0.0000386103 square miles
  • 1 square meter = 10000 square centimeters
  • 1 square meter = 1000000 square millimeters

Where Square Meter is Used

The square meter is widely used around the world as a standard unit of area measurement. It is used for various purposes, such as measuring the size of rooms, buildings, plots of land, maps, carpets, paintings, and more. Different countries may have different preferences or regulations for using the square meter or other units of area in different applications. Here are some examples:

  • In most countries, the square meter is used for measuring the floor area of residential and commercial buildings.
  • In the United States, the square foot is more commonly used for measuring the floor area of buildings, but the square meter is also used for some purposes, such as energy efficiency ratings and environmental impact assessments.
  • In Canada, the square meter is used for measuring the floor area of buildings, but the acre is also used for measuring the size of land parcels.
  • In Australia and New Zealand, the square meter is used for measuring the floor area of buildings and the size of land parcels, but the hectare is also used for measuring large areas of land.
  • In India, the square meter is used for measuring the floor area of buildings and the size of land parcels, but the bigha and the acre are also used for measuring agricultural land.
  • In China, the square meter is used for measuring the floor area of buildings and the size of land parcels, but the mu and the hectare are also used for measuring agricultural land.

History of Square Meter

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 meter was established in 1795 by the French Academy of Sciences as part of the metric system. The metric system was designed to create a universal and rational system of measurement based on natural phenomena and decimal multiples. The original definition of the meter was one ten-millionth of the distance from the equator to the North Pole along a meridian. The original definition of the square meter was then derived from this definition as the area of a square whose sides are one meter long.

The definition of the meter has been revised several times over the years to improve its accuracy and precision. The current definition of the meter was adopted in 1983 by the General Conference on Weights and Measures as “the length of the path travelled by light in vacuum during a time interval of 1/299792458 second”. The current definition of the square meter is then derived from this definition as before.

Example Conversions of Square Meter to Other Units

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

  • A room that has an area of 15 square meters can be converted to:
    • 161.459 square feet
    • 17.9399 square yards
    • 0.00371054 acres
    • 0.000579364 square miles
    • 150000 square centimeters
    • 15000000 square millimeters
  • A plot of land that has an area of 5000 square meters can be converted to:
    • 53819.5 square feet
    • 5979.95 square yards
    • 1.23553 acres
    • 0.0019307 square miles
    • 50000000 square centimeters
    • 5000000000 square millimeters
  • A painting that has an area of 0.5 square meters can be converted to:
    • 5.38195 square feet
    • 0.597995 square yards
    • 0.000123553 acres
    • 0.000019307 square miles
    • 5000 square centimeters
    • 500000 square millimeters
Square Meters also can be marked as Square metres and m2.

Square Kilometer: A Unit of Area

Definition of the Square Kilometer

A square kilometer 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 kilometer long. A square kilometer is equal to 1,000,000 square meters, 100 hectares, or 0.386102 square miles. It is also the base unit of area in the metric system.

How to Convert Square Kilometer to Other Units

To convert a square kilometer 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 kilometer to a square mile, we need to multiply by 0.386102, which is the conversion factor between these two units. Here are some common conversion factors for square kilometer and other units of area:

  • 1 square kilometer = 0.386102 square miles
  • 1 square kilometer = 247.105 acres
  • 1 square kilometer = 100 hectares
  • 1 square kilometer = 1000000 square meters
  • 1 square kilometer = 10000000000 square centimeters
  • 1 square kilometer = 1000000000000 square millimeters

Where Square Kilometer is Used

The square kilometer is widely used around the world as a standard unit of area measurement. It is used for various purposes, such as measuring the size of countries, regions, cities, lakes, islands, parks, forests, and more. Different countries may have different preferences or regulations for using the square kilometer or other units of area in different applications. Here are some examples:

  • In most countries, the square kilometer is used for measuring the area of countries and regions.
  • In the United States, the square mile is more commonly used for measuring the area of states and counties, but the square kilometer is also used for some purposes, such as census data and environmental reports.
  • In Canada, the square kilometer is used for measuring the area of provinces and territories, but the acre and the hectare are also used for measuring smaller areas of land.
  • In Australia and New Zealand, the square kilometer is used for measuring the area of states and territories, but the hectare is also used for measuring smaller areas of land.
  • In India, the square kilometer is used for measuring the area of states and districts, but the bigha and the acre are also used for measuring agricultural land.
  • In China, the square kilometer is used for measuring the area of provinces and municipalities, but the mu and the hectare are also used for measuring agricultural land.

History of Square Kilometer

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 kilometer was established in 1795 by the French Academy of Sciences as part of the metric system. The metric system was designed to create a universal and rational system of measurement based on natural phenomena and decimal multiples. The original definition of the meter was one ten-millionth of the distance from the equator to the North Pole along a meridian. The original definition of the square kilometer was then derived from this definition as the area of a square whose sides are one thousand meters long.

The definition of the meter has been revised several times over the years to improve its accuracy and precision. The current definition of the meter was adopted in 1983 by the General Conference on Weights and Measures as “the length of the path travelled by light in vacuum during a time interval of 1/299792458 second”. The current definition of the square kilometer is then derived from this definition as before.

Example Conversions of Square Kilometer to Other Units

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

  • A country that has an area of 10 square kilometers can be converted to:
    • 3.86102 square miles
    • 2471.05 acres
    • 1000 hectares
    • 10000000 square meters
    • 100000000000 square centimeters
    • 100000000000000 square millimeters
  • A lake that has an area of 100 square kilometers can be converted to:
    • 38.6102 square miles
    • 24710.5 acres
    • 10000 hectares
    • 100000000 square meters
    • 1000000000000 square centimeters
    • 1000000000000000 square millimeters
  • A park that has an area of 0.1 square kilometers can be converted to:
    • 0.0386102 square miles
    • 24.7105 acres
    • 10 hectares
    • 100000 square meters
    • 1000000000 square centimeters
    • 1000000000000 square millimeters
Square kilometers also can be marked as Square kilometres and km2.



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Square Millimeters to Square Inches
Square Yards to Square Inches
Square Yards to Square Meters

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