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1 square meter [m²] = 0.0001 hectare [ha]

Initial value

Converted value

square meter square kilometer square hectometer square decameter square decimeter square centimeter square millimeter square micrometer square nanometer hectare ar barn square mile sq. mile (US survey) square yard square foot² sq. ft (US, survey) square inch circular inch township section acre acre (US, survey) ore square chain square rod² (US, survey) square perch square rod sq. thousandth circular mil homestead sabine arpan cuerda square castilian cubit varas conuqueras cuad electron cross-section tithe (official) household tithe round square verst square arshin square foot square sazhen square inch (Russian) square line Plank area

More about the area

General information

Area is the size of a geometric figure in two-dimensional space. It is used in mathematics, medicine, engineering, and other sciences, such as calculating the cross section of cells, atoms, or pipes such as blood vessels or water pipes. In geography, area is used to compare the sizes of cities, lakes, countries, and other geographic features. Area is also used in population density calculations. Population density is defined as the number of people per unit area.

Units

Square meters

Area is measured in SI units in square meters. One square meter is the area of ​​a square with a side of one meter.

unit square

A unit square is a square with sides of one unit. The area of ​​a unit square is also equal to unity. In a rectangular coordinate system, this square is at coordinates (0,0), (0,1), (1,0) and (1,1). On the complex plane, the coordinates are 0, 1, i and i+1, where i is an imaginary number.

Ar

Ar or sotka, as a measure of area, is used in the CIS countries, Indonesia and some other European countries, to measure small urban objects such as parks, when a hectare is too large. One are is equal to 100 square meters. In some countries, this unit is called differently.

Hectare

Real estate is measured in hectares, especially land plots. One hectare is equal to 10,000 square meters. It has been in use since the French Revolution, and is used in the European Union and some other regions. As well as ar, in some countries the hectare is called differently.

Acre

In North America and Burma, area is measured in acres. Hectares are not used there. One acre is equal to 4046.86 square meters. Initially, an acre was defined as the area that a peasant with a team of two oxen could plow in one day.

barn

Barns are used in nuclear physics to measure the cross section of atoms. One barn equals 10⁻²⁸ square meters. Barn is not a unit in the SI system, but is accepted for use in this system. One barn is approximately equal to the cross-sectional area of ​​the uranium nucleus, which physicists jokingly called "huge as a barn." Barn in English "barn" (pronounced barn) and from a joke of physicists, this word became the name of a unit of area. This unit originated during World War II, and scientists liked it because its name could be used as a code in correspondence and telephone conversations within the Manhattan Project.

Area calculation

The area of ​​the simplest geometric figures is found by comparing them with the square of a known area. This is convenient because the area of ​​a square is easy to calculate. Some formulas for calculating the area of ​​​​geometric shapes below are obtained in this way. Also, to calculate the area, especially a polygon, the figure is divided into triangles, the area of ​​\u200b\u200beach triangle is calculated using the formula, and then added. The area of ​​more complex figures is calculated using mathematical analysis.

Area formulas

• Square: square side.
• Rectangle: product of the parties.
• Triangle (side and height are known): the product of a side and the height (the distance from that side to the edge) divided in half. Formula: A = ½ah, where A- square, a- side, and h- height.
• Triangle (two sides and the angle between them are known): the product of the sides and the sine of the angle between them, divided in half. Formula: A = ½ab sin(α), where A- square, a and b are the sides, and α is the angle between them.
• Equilateral triangle: side, squared, divided by 4 times the square root of three.
• Parallelogram: the product of a side and the height measured from that side to the opposite side.
• Trapeze: the sum of two parallel sides multiplied by the height, divided by two. Height is measured between these two sides.
• A circle: the product of the square of the radius and π.
• Ellipse: product of semiaxes and π.

Surface area calculation

You can find the surface area of ​​simple three-dimensional figures, such as prisms, by unfolding this figure on a plane. It is impossible to obtain a ball scan in this way. The surface area of ​​a sphere is found using the formula by multiplying the square of the radius by 4π. From this formula it follows that the area of ​​a circle is four times less than the surface area of ​​a ball with the same radius.

Surface areas of some astronomical objects: Sun - 6.088 x 10¹² square kilometers; Earth - 5.1 x 10⁸; thus, the surface area of ​​the Earth is about 12 times smaller than the surface area of ​​the Sun. The surface area of ​​the Moon is approximately 3.793 x 10⁷ square kilometers, which is about 13 times smaller than the surface area of ​​the Earth.

planimeter

The area can also be calculated using a special device - a planimeter. There are several types of this device, for example, polar and linear. Also, planimeters are analog and digital. In addition to other features, digital planimeters can be scaled to make it easier to measure features on a map. The planimeter measures the distance traveled along the perimeter of the measured object, as well as the direction. The distance traveled by the planimeter parallel to its axis is not measured. These devices are used in medicine, biology, engineering, and agriculture.

Area properties theorem

According to the isoperimetric theorem, of all figures with the same perimeter, the circle has the largest area. If, on the contrary, we compare figures with the same area, then the circle has the smallest perimeter. The perimeter is the sum of the lengths of the sides of a geometric figure, or a line that marks the boundaries of this figure.

Geographic features with the largest area

Country: Russia, 17,098,242 square kilometers, including land and water. The second and third largest countries are Canada and China.

City: New York is the city with the largest area at 8,683 square kilometers. The second largest city is Tokyo, covering 6,993 square kilometers. The third is Chicago, with an area of ​​5498 square kilometers.

City Square: The largest area, covering 1 square kilometer, is located in the capital of Indonesia, Jakarta. This is Medan Merdeka Square. The second largest area at 0.57 square kilometers is Praça dos Giraçois in the city of Palmas, in Brazil. The third largest is Tiananmen Square in China, 0.44 square kilometers.

Lake: Geographers argue whether the Caspian Sea is a lake, but if it is, then it is the largest lake in the world with an area of ​​371,000 square kilometers. The second largest lake is Lake Superior in North America. It is one of the lakes of the Great Lakes system; its area is 82,414 square kilometers. The third largest is Lake Victoria in Africa. It covers an area of ​​69,485 square kilometers.

How many acres in one hectare- this question may be of interest to people who are going to buy or rent a large area of ​​land. Having personal possessions, for example, a country house, we most often encounter such a measure of land area as a weave. An ordinary summer resident does not need hectares of land. It is enough to build a house, equip a flower bed, a barbecue, and even a pool - that's all the needs of a summer resident. But when planning, for example, to engage in agriculture, it will not be possible to limit one hundred square meters, hectares of land are of interest. And this is where the inevitable question arises: 1 hectare - how many acres makes up. To be honest, one hectare is clearly not enough to run a serious agricultural business. And people with experience are well versed in the basics of the school curriculum, especially when it comes to land resources.

A hectare is a metric unit of area. To imagine a hectare, it is enough to imagine a square with a side of 100 meters. Knowing from the course of school mathematics how the area of ​​​​a square is measured, it is already easy to determine the area of ​​\u200b\u200ba hectare.

1 ha = 100 x100

One hectare corresponds to 10,000 square meters. To understand how many acres in 1 hectare, you now need to remember what a weave is, how the area of ​​\u200b\u200bone weave is calculated and calculate how many acres can fit in one hectare.

One weave is a square, each side of which is equal to 10 meters. The area of ​​1 acre is:

1 weave = 10 x 10

One acre equals 100 square meters. To calculate how many acres in 1 ha, it is necessary to compare the areas occupied by a hundred and a hectare.

1 weave = 100 sq.m.

1 hectare = 10,000 sq.m.

10,000 sq.m. / 100 sq. m = 100

From the calculation it is obvious how many acres are in a hectare. There are 100 acres in a hectare, and a hundredth is a hundredth of a hectare. A plot of 100 square meters is the weave of land. Here are 100 such plots and you already have a hectare of land.

Acres are used to determine the area of ​​​​dacha garden plots, as well as plots for construction. To determine the area of ​​large sizes, such as cities, for example, use the unit of area - 1 square kilometer. If you notice, then in the reference literature with the characteristics of states, cities, the area is indicated in square kilometers. But for plots of land with a side of more than 100 meters, but less than 1 kilometer, it is more convenient to use the unit of measurement - 1 ha.

It is difficult for people who are accustomed to calculate the area in square meters to visualize how many acres are in hectares, and it is just as difficult to convert acres to hectares and vice versa.

A square kilometer is a square with each side of 1000 meters (1 km), and a hectare is a square with a side of 100 meters.

The area of ​​1 square kilometer is 1 million square meters.

1 sq. km = 1000 x 1000

Area of ​​1 hectare - 10,000 sq. meters (1 ha = 100 x 100)

Therefore, 1 square kilometer is 100 times larger than 1 hectare. Similarly, we determine: 1 ha - how many acres are in the composition. One weave covers an area of ​​100 square meters. Therefore, in comparison with a hectare, weaving is 100 times less than a hectare.

Expert comment

Igor Voropaev - leading lawyer of "Prosper-Consulting"
PropertyExperts Portal Consultant

In the international system of measures, a hectare (according to the dictionary, the name from the Greek word hecto - one hundred, abbreviated hect.) is the most used, because. its "trick" is that with its help it is most convenient to measure areas whose area is more than ten thousand square meters (not centimeters or dm2 to use in this case), plus make a mistake in translating 1 hectare into any other unit of measurement that can be called , (even off-system, for example, yard, acre), is almost impossible.

However, if, for example, the use of this unit still continues to be difficult for you, then you can easily find an online free calculator converter on the advice of the forum, and use it for all your calculations. So you can reduce the time that will be used for calculations. In general, in order to help the client understand how much land he needs and find the exact dimensions, we use this particular calculator, as well as a visualization program that links real and reduced scales.

In an instant, it can form exactly the same pattern as in life, but smaller. In this case, looking at an approximate "photo" of their future site, customers always understand what they need. I would advise all construction companies to take a closer look at such software.

We often have to measure the area of ​​a plot of land and convulsively remember how much m2 fits in a hectare. The reasons for this can be very different. Whether we wanted to buy a summer cottage for ourselves, or whether the idea arose to seriously engage in agriculture, or perhaps it was necessary to help the child solve a school problem.

We remember the basics

The basis for measuring area is the square meter. This is a square, the length of each side of which is equal to one meter.

The next measuring unit in agriculture is weaving. 100 square meters. This is also a square, the side of which is 10 meters.

And the third unit of measure is the hectare. This is again a square, the side of which is 100 meters. How many square meters in a hectare is easy to calculate. The answer is 10,000 meters.

Where to apply?

Why do we need different units of measurement for the same thing - area? Isn't it easier to measure everything, for example, in square meters? No, it's not easier.

Square meters are used to measure residential areas (apartments, houses, rooms), as well as the area of ​​subsidiary farms: sheds, pigsties, chicken coops and others.

If it is required to measure the land plot of a subsidiary plot, such as a garden or a vegetable garden, it is most reasonable to use such a unit of measurement as a weave. The average size of a private land plot in our country is 5 acres. How much easier it is to imagine than 500 square meters.

A hectare is a unit of measurement for those who want to farm professionally.

Let's imagine a situation. You have decided to grow wheat. Doing this on a few acres is simply not profitable. It is believed that for the cultivation of each crop, there is a minimum and maximum area that needs to be processed. For example, the same wheat - from 100 hectares.

If you start growing a crop on a plot less than the minimum recommended, then you will be at a loss.

It's the same with other cultures. If you decide to purchase a plot to grow berries and vegetables after work, then your unit of measurement is acres. But if the cultivation of agricultural products has become your main job, if you are ready to purchase agricultural equipment and much more, so necessary for this, then your unit of measurement is a hectare. By the way, when buying agricultural machinery, you will again need knowledge of the measuring units of the area. Indeed, for such equipment as a tractor and a combine, fuel consumption and productivity are measured just for the cultivated area, and here again knowledge of how many meters per hectare will be useful to you.

Where do all units of measurement meet?

In fact, there are many such examples. But here we will consider one that is closest to the agricultural theme.

Imagine you bought a plot of land outside the city, say 10 hectares. And they decided to make a garden partnership or a cottage settlement on this territory. Each lot will be 5 acres. In order to calculate the number of plots, you will need meters, acres, and hectares.

Do you think it's enough to figure out: a hectare is how many acres? Where will your roads be? Will you have boundaries between sections of the boundary? Where will communications (gas, water, electricity) go?

Accordingly, it will turn out that:

• in hectares you will calculate the entire land plot;
• in acres, allotments that you will sell;
• in square meters you will consider communications.

So, on the plan of your business project there will be all three units of area.

Measuring the field area using a car navigator - video

What is weaving, ar, hectare, square kilometer? How many hectares, square meters and kilometers in one are (hundred) of land? How many square meters, kilometers and acres are in one hectare of land? How many acres, hectares and square meters in one square kilometer?

How many square meters in 1, 10, 100, 1000 acres: table

What is an acre of land? Weave of land is a unit of measurement of the size of the site, weaving is equal to one hundred square meters.

The following units are used to measure areas: square millimeter (mm 2), square centimeter(cm 2), square decimeter (dm 2), square meter (m 2) and square kilometer (km 2).
For example, a square meter is the area of ​​a square with a side of 1 m, and a square millimeter is the area of ​​a square with a side of 1 mm.

You can also say that in one weave of 100 square meters. meters and it will be correct if we say in hectares that one weave is one hundredth of a hectare.

• Weaving is a unit of measurement for the size of a plot, which is often used in summer cottages or agriculture. In science, it is customary to use an analogue of weaving - ar. Ar (weaving) - the area of ​​​​a square with a side of 10 m.
• Based on the name of this measure, you can already guess that we are talking about hundreds of meters.
• Indeed, one weave is equal to 100 m 2.
• In other words, one weave will be equal to the area of ​​​​a square with sides of 10 m.
• Accordingly, in ten acres there will be 1000 m 2.
• 100 acres contain 10,000 m 2, and 1000 acres contain 100,000 m 2.
• In other words, to calculate how many square meters are in a given number of acres, you need to multiply the acres by 100.

Area units

1 weave = 100 square meters = 0.01 hectare = 0.02471 acre

• 1 cm 2 \u003d 100 mm 2 \u003d 0.01 dm 2
• 1 dm 2 \u003d 100 cm 2 \u003d 10000 mm 2 \u003d 0.01 m 2
• 1 m 2 \u003d 100 dm 2 \u003d 10000 cm 2
• 1 ar (weave) \u003d 100 m 2
• 1 ha (hectare) \u003d 10000 m 2

How many acres in 1, 10, 100 square meters: table

Area units conversion table

The system adopted in Russia for measuring land areas

• 1 weave = 10 meters x 10 meters = 100 sq.m
• 1 hectare \u003d 1 ha \u003d 100 meters x 100 meters \u003d 10,000 square meters \u003d 100 acres
• 1 square kilometer = 1 sq. km = 1000 meters x 1000 meters = 1 million sq. m = 100 hectares = 10,000 acres

Inverse units

• 1 sq. m = 0.01 acres = 0.0001 ha = 0.000001 sq. km
• 1 weave \u003d 0.01 ha \u003d 0.0001 sq. km

• To calculate how many acres are in square meters, you need to divide the given number of square meters by 100.
• Thus, in 1 m 2 there are 0.01 weave, in 10 m 2 - 0.1 weave, and in 100 m 2 - 1 weave.

What is a hectare of land?

Hectare- a unit of area in the metric system of measures used to measure land. Field areas are measured in hectares (ha). A hectare is the area of ​​a square with a side of 100 m. So, 1 ha is equal to 100,100 square meters, that is, 1 ha = 10,000 m 2.

Abbreviated designation: Russian ha, international ha. The name "hectares" is formed by adding the prefix "hecto..." to the name of the area unit "ar"

1 ha \u003d 100 ar \u003d 100 m x 100 m \u003d 10,000 m 2

• A hectare is a unit of measurement for the size of a plot, which is equal to the area of ​​a square with sides of 100 m. A hectare, like a weave, is mainly used as measuring units only in agriculture and summer cottages.
• The designation of a hectare looks like "ha".
• One hectare is equal to 10,000 m 2 or 100 acres.

How many square meters in 1, 10, 100, 1000 hectares: table

• In order to calculate how many square meters in a given number of hectares, you need to multiply the number of hectares by 10,000.
• Thus, there are 10,000 m 2 in 1 ha, 100,000 m 2 in 10 ha, 1,000,000 m 2 in 100 ha, and 1,000,000 m 2 in 1000 ha.

Thus, one hectare corresponds to 10,000 m2. It can easily fit a football field (0.714 hectares) or more than 16 summer cottages (the area of ​​​​each is 6 acres). Well, Red Square will be twice as large as one hectare, its area is 24,750 m 2.

1 square kilometer is 100 times larger than 1 hectare. Similarly, we determine: 1 ha - how many acres are in the composition. One weave covers an area of ​​100 square meters. Therefore, in comparison with a hectare, weaving is 100 times less than a hectare.

• 1 weave\u003d 10 x 10 meters \u003d 100 m 2 \u003d 0.01 ha
• 1 hectare (1 ha)\u003d 100 x 100 meters or 10,000 m 2 or 100 acres
• 1 square kilometer (1 km2)\u003d 1000 x 1000 meters or 1 million m 2 or 100 hectares or 10,000 acres
• 1 square meter (1 m 2)= 0.01 acres = 0.0001 ha

How many acres in 1, 10, 100, 1000 ha: table

• To calculate how many acres corresponds to a given number of hectares, you need to multiply the number of hectares by 100.
• So, in 1 hectare there are 100 acres, in 10 hectares - 1000 acres, in 100 hectares - 10,000 acres, and in 1000 hectares - 100,000 acres.

How many hectares in 1, 10, 100, 1000, 10,000 acres, square meters: table

• To calculate how many hectares are contained in a given number of acres, you need to divide the number of acres by 100.
• And in order to carry out such calculations with square meters, it is necessary to divide their number by 10,000.
• So, in 1 acres there are 0.01 ha, in 10 acres - 0.1 ha, in 100 acres - 1 ha, in 1000 acres - 10 hectares, in 10,000 acres - 100 hectares.
• In turn, in 1 m 2 there are 0.0001 ha, in 10 m 2 - 0.001 ha, in 100 m 2 - 0.01 ha, in 1000 m 2 - 0.1 ha, and in 10000 m 2 - 1 ha.

How many square kilometers are in 1 hectare?

1 ha \u003d 10,000 m 2

1 km 2 \u003d 100 ha

• A square kilometer is a unit of land area measurement, equal to the area of ​​a square with sides of 1000 meters.
• There are 100 hectares in one square kilometer.
• Thus, to calculate the number of square kilometers in a hectare, it is necessary to divide its given number by 100.
• So, in 1 ha there are 0.01 km 2

What is 1 are equal to?

Ar a unit of area in the metric system of measures, equal to the area of ​​​​a square with a side of 10 m

• 1 ar \u003d 10 m x 10 m \u003d 100 m 2 .
• 1 tithe = 1.09254 ha.

• Arom is a unit of measure for the size of a plot, equal to the area of ​​a square with sides of 10 m.
• In other words, ar is equal to a hundredth.
• In 1 are there are 100 m 2, 1 weave, 0.01 ha, 0.0001 km 2.

How many ares are in one hectare?

• There are 100 ares in one hectare, just like acres.

What is 1 acre equal to?

Acre land measure used in a number of countries using the English system of measures (Great Britain, USA, Canada, Australia, etc.).

1 acre \u003d 4840 sq. yards \u003d 4046.86 m 2

Old Russian units of area measurement

• 1 sq. verst = 250,000 sq. fathoms = 1.1381 km²
• 1 tithe = 2400 sq. fathoms = 10,925.4 m² = 1.0925 ha
• 1 quarter = 1/2 tithe = 1200 sq. fathoms = 5462.7 m² = 0.54627 ha
• 1 octopus \u003d 1/8 tithe \u003d 300 square sazhens \u003d 1365.675 m² ≈ 0.137 ha.