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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, surveyor) square yard square foot² sq. foot (USA, surveyor) square inch circular inch township section acre acre (USA, surveyor) ore square chain square rod rod² (USA, surveyor) square perch square rod sq. thousandth circular mil homestead sabin arpan cuerda square castilian cubit varas conuqueras cuad cross section of electron tithe (government) tithe economic round square verst square arshin square foot square fathom square inch (Russian) square line Planck area
More about the area
General information
Area is a quantity geometric figure in two-dimensional space. It is used in mathematics, medicine, engineering and other sciences, such as computing cross section cells, atoms, or tubes such as blood vessels or water pipes. In geography, area is used to compare the sizes of cities, lakes, countries, and other geographic features. Population density calculations also use area. 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 one. In a rectangular coordinate system, this square is located 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- imaginary number.
Ar
Ar or weaving, 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, especially land, is measured in hectares. One hectare equals 10,000 square meters. It has been used since French Revolution, and is used in the European Union and some other regions. Just like the macaw, in some countries the hectare is called differently.
Acre
In North America and Burma, area is measured in acres. The hectares are not used there. One acre is equal to 4046.86 square meters. An acre was originally defined as the area that a farmer 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 is equal to 10⁻²⁸ square meters. The 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 a uranium nucleus, which physicists jokingly called “as huge as a barn.” Barn in English is “barn” (pronounced barn) and from a joke among physicists this word became the name of a unit of area. This unit originated during World War II, and was liked by scientists because its name could be used as a code in correspondence and telephone conversations as part of 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 the square is easy to calculate. Some formulas for calculating the area of geometric figures given below were obtained in this way. Also, to calculate the area, especially of a polygon, the figure is divided into triangles, the area of each triangle is calculated using the formula, and then added. The area of more complex figures is calculated using mathematical analysis.
Formulas for calculating area
Square: square side.
Rectangle: product of the parties.
Triangle (side and height known): the product of the 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- sides, and α - the angle between them.
Equilateral triangle: side squared divided by 4 and multiplied by square root out of three.
Parallelogram: the product of a side and the height measured from that side to the opposite side.
Trapezoid: the sum of two parallel sides multiplied by the height and divided by two. The height is measured between these two sides.
Circle: the product of the square of the radius and π.
Ellipse: product of semi-axes and π.
Surface Area Calculation
You can find the surface area of simple volumetric figures, such as prisms, by unfolding this figure on a plane. It is impossible to obtain a development of the ball 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 area surface 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 approximately 12 times smaller than the surface area of the Sun. The Moon's surface area is approximately 3.793 x 10⁷ square kilometers, which is about 13 times smaller than the Earth's surface area.
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 can be analog and digital. In addition to other functions, digital planimeters can be scaled, making it easier to measure features on a map. The planimeter measures the distance traveled around the perimeter of the object being measured, 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, technology, and agriculture.
Theorem on properties of areas
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 the line that marks the boundaries of this figure.
Geographical features with the largest area
Country: Russia, 17,098,242 square kilometers, including land and water. The second and third largest countries by area are Canada and China.
City: New York is the city with the largest area of 8683 square kilometers. The second largest city by area is Tokyo, occupying 6993 square kilometers. The third is Chicago, with an area of 5,498 square kilometers.
City Square: The largest square, 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 doz Girascoes in the city of Palmas, Brazil. The third largest is Tiananmen Square in China, 0.44 square kilometers.
Lake: Geographers debate whether the Caspian Sea is a lake, but if so, it is the largest lake in the world with an area of 371,000 square kilometers. The second largest lake by area 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 lake in Africa is Lake Victoria. 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 planning to buy or rent large area land. Having personal possessions, e.g. country house, we most often come across such a measure of land area as a hundred square meters. An ordinary summer resident does not need hectares of land. It is enough to build a house, arrange a flower bed, a barbecue, and even a swimming pool - that’s all the needs of a summer resident. But when planning, for example, to do agriculture, you won’t be able to limit yourself to hundreds of acres; hectares of land are of interest. And here the question inevitably 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 know the basics well school curriculum, especially when it comes to land resources.
A hectare is a metric unit of measurement of area. To imagine a hectare, it is enough to imagine a square with a side of 100 meters. Knowing from a school mathematics course how the area of a square is measured, it is easy to determine the area of a 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 hundredth is, how the area of one hundredth is calculated and calculate how many hundredths can fit in one hectare.
One weave is a square, each side of which is 10 meters. The area of 1 hundred square meters is equal to:
1 weave = 10 x 10
One hundred square meters equals 100 square meters. To calculate how many acres in 1 hectare, it is necessary to compare the area occupied by a hundred square meters and a hectare.
1 hundred square meters = 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 one hundred square meters of land. Here are 100 such plots and you already have a hectare of land.
Hundreds are used to determine the area of dacha garden plots, as well as construction sites. To determine the area large sizes, such as cities, for example, use a unit of area measurement - 1 square kilometer. If you noticed, then in reference books with characteristics of states and 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 a unit of measurement - 1 hectare.
For people accustomed to calculating area in square meters, it is difficult to visualize how many hundredths are in hectares, and it can be just as difficult to convert hundredths into hectares and vice versa.
A square kilometer is a square with each side measuring 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. We determine similarly: 1 hectare - how many acres there are in the composition. One hundred square meters covers an area of 100 square meters. Therefore, in comparison with a hectare, a hundred square meters is 100 times smaller than a hectare.
Igor Voropaev
Expert commentary
Igor Voropaev - leading lawyer at Prosper-Consulting Consultant of the PropertyExperts portal
IN international system measure hectare (according to the dictionary the name is 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 (do not use centimeters or dm2 in this case), plus make a mistake in converting 1 hectare to any other unit of measurement that can be called , (even non-systemic, for example, a yard, an acre), is almost impossible.
However, if, for example, using this unit still continues to be difficult for you, then you can easily find a free converter calculator online using the advice of the forum, and use it for all your calculations. This way you can reduce the time that will be used for calculations. In general, with the goal of helping 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 connects real and reduced scales.
Instantly, it can form exactly the same pattern as in life, but smaller. In this case, looking at an approximate “photo” of their future site, clients always understand what they need. I would advise all construction companies to take a closer look at this software.
Not only schoolchildren, but also adults need to be able to calculate area. Many people often ask questions: how many meters are in one hundred square meters, one hectare, or how 1 m2 is calculated. How to do it right?
What is measured in hectares
The use of units of measurement is fully related to various sizes, which can most often be found in a particular industry. To determine the size of countries and cities, square kilometers are usually used. A hectare is mainly needed to determine the area of land and forest plots. Agricultural areas include large areas of farmers or enterprises.
Area of 1 hectare in meters
A hectare, like most units of area, is calculated by multiplying the length by the width. It is worth noting that this rule only applies if we are talking about a regular and level piece of land, that is, square or rectangular.
It is necessary to take measurements of the land plot on two sides and multiply these two sides.
A flat plot with an area of 1 hectare has dimensions of 100 by 100 m in length and width. Of course, there are other sizes if we are talking about a rectangular area.
To officially determine the size land plot, it is necessary to invite representatives of land management organizations.
The Russian designation for hectare is ha. If a person knows the basic rule for measuring the area of a square, then he can easily calculate the area of 1 hectare: 100 m multiplied by 100 m will equal 10,000 sq. m.
Perimeter of a hectare in meters
To perform an oral conversion, certain rules must be followed. First of all, you should decide on the direction of the account. If there is a need to convert to standard units of area measurement, then you need to clearly remember how many square meters are contained in 1 hectare, and then divide by 10,000. Accordingly, in the opposite case, you will need to perform the opposite actions.
It is also important not to make a mistake with zeros, since if you lose at least one of them, the calculations will be completely incorrect. Be sure to equate the results obtained, write them down and do not forget about the second degree of meters, since a lost square is a gross mistake.
Thus, every person has the opportunity to use the most important skill. The main thing is to be able to correctly express quantities, remember to be careful when converting quantities, when working with zeros and decimal places.
Many quantities have been invented for convenience so that everyone can choose the most convenient calculation.
Only after realizing the importance of entering auxiliary hectares comes simplicity and ease in all kinds of calculations.
This online calculator helps to calculate, determine and calculate the area of land in online mode. The presented program can correctly suggest how to calculate the area land plotsirregular shape.
Important! The important area should fit approximately into the circle. Otherwise, the calculations will not be entirely accurate.
We indicate all data in meters
A B, D A, C D, B C— The size of each side of the plot.
According to the entered data, our program performs online calculations and determines the area of land in square meters, acres, acres and hectares.
Method for determining the size of a plot manually
To correctly calculate the area of plots, you do not need to use complex tools. We take wooden pegs or metal rods and install them in the corners of our site. Next, using a measuring tape, determine the width and length of the plot. As a rule, it is enough to measure one width and one length, for rectangular or equilateral areas. For example, we have the following data: width – 20 meters and length – 40 meters.
Next we move on to calculating the area of the plot. At correct form plot, you can use the geometric formula for determining the area (S) of a rectangle. According to this formula, you need to multiply the width (20) by the length (40), that is, the product of the lengths of the two sides. In our case S=800 m².
After we have determined our area, we can determine the number of acres on the land plot. According to generally accepted data, one hundred square meters is 100 m². Next, using simple arithmetic, we will divide our parameter S by 100. The finished result will be equal to the size of the plot in acres. For our example, this result is 8. Thus, we find that the area of the plot is eight acres.
In the case where the land area is very large, it is best to carry out all measurements in other units - in hectares. According to generally accepted units of measurement - 1 Ha = 100 acres. For example, if our land plot, according to the measurements obtained, is 10,000 m², then in this case its area is equal to 1 hectare or 100 acres.
If your plot is of irregular shape, then the number of acres directly depends on the area. It is for this reason that using online calculator You will be able to correctly calculate the S parameter of the plot, and then divide the result by 100. Thus, you will receive calculations in acres. This method makes it possible to measure plots complex shapes, which is very convenient.
General information
Calculation of the area of land plots is based on classical calculations, which are performed according to generally accepted geodetic formulas.
There are several methods available for calculating the area of land - mechanical (calculated according to the plan using measuring palettes), graphic (determined by the project) and analytical (using the area formula based on measured boundary lines).
Today, the most accurate method is deservedly considered to be analytical. Using this method, errors in calculations usually appear due to errors in the terrain of the measured lines. This method It is also quite complex if the boundaries are curved or the number of angles on the plot is more than ten.
The graphical method is a little easier to calculate. It is best used when the boundaries of the site are presented in the form of a broken line, with a small number of turns.
And the most accessible and simplest method, and the most popular, but at the same time the biggest error - mechanical method. Using this method, you can easily and quickly calculate the area of land of simple or complex shape.
Among the serious shortcomings of mechanical or graphic method, highlight the following, in addition to errors when measuring a site, during calculations an error due to paper deformation or an error in drawing up plans is added.
In the agricultural industry or other specialization, where it is necessary to be able to calculate the area of any objects, you often need to know how many square meters are in a hectare. The fact is that the latter value is common in Russia and other countries as a standard designation. The ability to convert quantities is useful not only for adults, but also younger schoolchildren who are just beginning to get acquainted with serious mathematics. How to make the correct calculations?
First, you need to remember that nothing is invented just like that. Especially when it comes to precise calculations. How many meters there are in a hectare can be determined without difficulty if you know how these quantities are related. It was decided that 1 Hectare is equal to a side of 100 meters. Even if you don't know higher mathematics, you can easily get the answer. But if you have difficulties with this matter, the most important thing is patience and diligence. Only with these factors will you begin to understand everything. More specifically, you need to remember this:
1 Ha = 100 m x 100 m = 10000 m^2
Now you know how many square meters are in a hectare. However, for you to understand more, let’s look at one more aspect. Why exactly is multiplication by one hundred performed? Let's take a closer look at the word itself. It consists of the prefix "hekta" and the root "ar". In fact, the first part means multiplying by ten. And the second itself differs from the SI system of length units by 10. This is where the desired hundred is obtained.
Any schoolchild applying for a positive assessment should know how many square meters are in a hectare. This important skill will not only be useful in life when working in various fields life activities, but also for solving ordinary problems from a school textbook. By the way, the common “hundredths” used to measure garden plots, are a common name. In fact, our already beloved hectare is hiding under this name.
To perform oral conversion, you must follow the following rules:
1) Decide on the direction of the count. If you need to convert to standard units of area measurement, then you need to remember once and for all how many square meters are in a hectare. And when you do that, divide by ten thousand. Accordingly, otherwise you just need to perform the reverse operation.
2) Don’t make a mistake with zeros, because if you lose at least one of them, you can cut off a plot on which you can build a good house (depending on the number of remaining “wheels”).
3) Equate the result obtained and clearly write down the answer. Don't forget about the second degree of meters. The biggest mistake is a lost square.
Thus, you have the opportunity to use one important skill. Now you know exactly how many square meters are in a hectare. Remember that when converting to different quantities, you need to be as careful as possible with zeros and decimal places. To a frequently asked question from those who do not like exact sciences: “Why were so many quantities invented,” the answer is simple: for convenience. Only after full understanding of the need to enter auxiliary hectares comes simplicity and ease in various calculations.
