Conversion to hectares. A hectare is a large square on the body of the earth

In addition, the prescription for the mandatory use of units SI is set out in the current in Russia interstate standard GOST 8.417-2002, which lists the units physical quantities approved for use, their international and Russian designations are given and the rules for their use are established.

International system of units SI - the most used system of units in the world as in Everyday life and in science and technology. Currently SI accepted as the basic system of units by most countries in the world and is almost always used in the field of technology, even in those countries in which traditional units are used in everyday life.

SI defines 7 basic units of physical quantities and derived units (abbreviated - units SI or units), as well as a set of prefixes.

SI also establishes standard abbreviations for units and rules for writing derived units.

SI base units

kilogram (kg, kg) - unit of mass
meter (m, m) - unit of length
second (s, s) - unit of time
ampere (A, A) - unit of electric current
mol (mol, mol) - a unit of the amount of a substance
candela (cd, cd) - unit of luminous intensity
kelvin (K, K) is 1 / 273.16 of the thermodynamic temperature of the triple point of water:
1. degree Celsius (° C) is a widely used unit for measuring temperature, used in SI along with kelvin

Conversion to degrees Celsius:

Within the framework of SI basic units are considered to have independent dimensions, that is, none of them can be derived from others.

Derived units are derived from fundamental units using algebraic operations such as multiplication and division. Some of the derived units in SI assigned their own names, for example, the unit of radians.

CI prefixes must be used before unit names. They mean that one must be multiplied or divided by a certain integer, which is a power of 10, a number of times.

Decimal prefixes are used to reduce the number of zeros in the numerical values of physical quantities.

For example:

the prefix "kilo" means multiplication of the original unit meter per 1000 (kilometer = 1000 meters)
fractional prefix "milli" means multiplication of the original unit meter by 10 -3 (millimeter = 0.001 meters)
fractional prefix "deci" means multiplication of the original unit meter by 10 -1 (decimeter = 0.1 meters)

Area units

For area units that are derived from the base unit of length meter, the list of names looks like this:

length
1. unit of measurement - meter
2. designation (Russian) - m
3. designation (international) - m
square
1. unit of measure - square meter
2. designation (Russian) - m 2
3. designation (international) - m 2

Explanation

Meter - the length of the path traveled by light in a vacuum over a time interval
1/299792458 seconds (XVII General Conference on Weights and Measures (GCMW), 1983, Resolution 1).

XXV CGPM, held in 2014, decided to continue work on the preparation of a new revision of the SI, including redefining the meter, and tentatively planned to complete this work by 2018 in order to replace the existing SI with an updated version of the XXVI CGPM in the same year.

The system for measuring the area of land plots widespread in Russia (non-systemic in relation to the SI)

1 hundred square meters = 10 mx 10 m = 10m x 10 m = 100 m 2
1 hectare = 1 hectare = 100 mx 100 m = 10000 m 2 = 100 ares
1 square kilometer = 1 km 2 = 1000 mx 1000 m = 1 million km 2 = 100 hectares = 10 000 ares

Reverse units

1 m 2 = 0.01 ares = 0.0001 ha = 0.000001 km 2
1 hundred square meters = 0.01 hectares = 0.0001 km 2

Area Conversion Table

Area units	1 sq. km.	1 hectare	1 Acre	1 Weaving	1 sq.m.
1 km 2	1	100	247.1	10.000	1.000.000
1 hectare	0.01	1	2.47	100	10.000
1 acre	0.004	0.405	1	40.47	4046.9
1 are	0.0001	0.01	0.025	1	100
1 m 2	0.000001	0.0001	0.00025	0.01	1

Hectare

unit of area, in metric units, used to measure land.

Abbreviated designation:

Russian - ha
international - ha

1 hectare is equal to the area of a square with a side of 100 m

The name "hectare" is formed by adding the prefix "hecto ..." to the name of the unit of area " ar»:

1 ha = 100 ar = 100 mx 100 m = 10,000 m 2

Ar - unit of area in the metric system of measures, equal to the area of a square with a side of 10 m:
1. 1 ar = 10 mx 10 m = 100 m 2
2. 1 tithe = 1.09254 ha

Acre

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

1 acre = 4840 square yards = 4046.86 m 2

The most commonly used land measure in practice is hectare - abbreviated designation of hectare:

1 ha = 100 ar = 10,000 m 2

In Russia, the hectare is the main unit for measuring the area of land, especially agricultural land.

On the territory of Russia, the unit "hectare" was introduced into practice after October revolution instead of tithing.

Old Russian units of measurement of areas

1 sq. verst = 250,000 sq. fathoms = 1.1381 km 2
1 tithe = 2400 sq. fathoms = 10,925.4 m 2 = 1.0925 ha
1 couple = 1/2 tithes = 1200 sq. fathoms = 5462.7 m2 = 0.54627 ha
1 octopus = 1/8 tithes = 300 square plantations = 1365.675 m2 ≈ 0.137 ha

The area of land plots for individual housing construction, private household plots is usually indicated in hundred parts

One hundred square meters- this is an area of a plot measuring 10 x 10 meters, which is 100 square meters, and therefore is called a weave.

Here are some typical examples of the sizes that a land plot of 15 acres can have:

In the future, if you suddenly forget how to find the area of a rectangular land plot, remember a very old anecdote. "Grandpa asks a fifth grader:" How to find Lenin Square? " And he answers: "We need to multiply the width of Lenin by the length of Lenin" :)))

It is useful to familiarize yourself with this

What can be built on plots for the implementation of a peasant (farm) economy (KFH) - read
With the scales of topographic maps used in Russia, it is possible.
You can learn about the new VRI Classifier - 2019
From January 1, 2018, the exact boundaries of the site must be recorded in the cadastral passport, since it will be simply impossible to buy, sell, mortgage or donate land without an accurate description of the boundaries. This is regulated by amendments to the Land Code. And a total revision of the borders at the initiative of municipalities began on June 1, 2015.
On March 1, 2015, a new Federal Law "On Amendments to the Land Code of the Russian Federation and Certain Legislative Acts of the Russian Federation" (N 171-FZ of 06/23/2014) came into force, in accordance with which, in particular, the procedure for buying out land plots from municipalities was simplified.You can get acquainted with the main provisions of the law.
Regarding the registration of houses, baths, garages and other buildings on land plots owned by citizens, a new dacha amnesty will improve the situation

This online calculator helps to calculate, determine and calculate the area of a land plot online. The presented program is able to correctly suggest how to calculate the area of land plots irregular shape.

Important! The important area should fit approximately into the circle. Otherwise, the calculations will not be entirely accurate.

We indicate all the data in meters

A B, D A, C D, B C- The size of each side of the plot.

According to the data entered, our program online to perform the calculation and determine the area of land in square meters, ares, acres and hectares.

Method for determining the size of the site manually

To correctly calculate the area of plots, you do not need to use complex tools. We take wooden pegs or metal rods and place them in the corners of our site. Next, using a measuring tape, we determine the width and length of the plot. As a rule, it is sufficient to measure one width and one length, for rectangular or equilateral sections. For example, we got 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, in one hundred square meters - 100 m². Next, using simple arithmetic, we will divide our S parameter by 100. The finished result and will become equal to the size of the plot in hundred parts. For our example, this result is 8. Thus, we get that the area of the site is eight acres.

In the case when the area of the land is very large, then it is best to carry out all measurements in other units - in hectares. According to generally accepted units of measurement - 1 hectare = 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 an irregular shape, then in this case 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 parameter S of the plot, and after that dividing the result by 100. Thus, you will get the calculations in hundred parts. This method makes it possible to measure plots of complex shapes, which is very convenient.

Total information

The calculation of the area of land plots is based on classical calculations, which are performed according to generally accepted geodetic formulas.

In total, several methods are 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 according to the measured border lines).

To date, the most accurate way is deservedly considered - analytical. Using this method, errors in calculations, as a rule, appear due to errors in the terrain of the measured lines. This method is also quite complicated if the boundaries are curved or the number of angles on the plot is more than ten.

The graphical method is a little simpler in terms of calculations. It is best used when the boundaries of the plot are presented as a broken line, with a few turns.

And the most accessible and simple method, and the most popular, but at the same time the biggest error is the mechanical method. Using this method, you can easily and quickly perform the calculation of the land area of a simple or complex shape.

Among the serious shortcomings of the mechanical or graphic method, the following is distinguished, in addition to errors in measuring the area, in the calculations an error is added due to paper deformation or an error in drawing up plans.

To be able to calculate the area is necessary not only for schoolchildren, but also for adults. Many people often ask questions: how many meters are in a hundred square meters, one hectare, or how is 1 m2 calculated. How do you do it right?

What is measured in hectares

The use of units of measure is fully related to the various sizes that can most often be found in a particular industry. To determine the sizes of countries and cities, square kilometers are usually used. A hectare is mainly needed to determine the area of land and forest. Agricultural plots include large areas of farmers or businesses.

Area of 1 hectare in meters

A hectare, like most area units, is calculated by multiplying length by width. It is worth noting that this rule applies only if we are talking about a correct and level piece of land, that is, square or rectangular.

It is necessary to make measurements of the land plot on both sides and multiply these two sides.

A flat plot with an area of 1 hectare has dimensions - 100 by 100 m in length and width. Of course, there are other sizes when it comes to rectangular areas.

To formally determine the size of the land plot, it is necessary to invite representatives of land management organizations.

The Russian designation for a hectare is hectare. If a person knows the elementary rule for measuring the area of a square, then he can easily calculate the area of 1 hectare: multiplied by 100 m by 100 m will equal 10,000 square meters. 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 be mistaken with zeros, since having lost at least one of them, the calculations will be completely wrong. It is imperative to equate the results obtained, write down and not forget about the second degree of meters, since the lost square is a gross mistake.

Thus, each person has the opportunity to use the most important skill. The main thing is to be able to correctly express the values, remember to be careful when translating values, when working with zeros and decimal places.

Many values have been thought up for convenience, so that everyone can choose the most convenient calculation.

Only after realizing the importance of entering auxiliary hectares comes simplicity and ease with all kinds of calculations.

The need to measure certain areas of land has appeared since the time of the migration of ancient tribes to other territories.

Plots of land were measured in units that changed depending on the era. Along with the evolution of humanity, agricultural affairs and industrial relations, the way of measuring the land has improved.

Each nation had its own measures of measuring the territory, which created inconveniences in foreign trade. In Russia, the first measurements were verst, mile, tithe, arshin and square fathom... In order to eliminate the inconvenience, the society decided to create a universal measure for measuring plots of land.

Only in 1960 did the square meter become the universal unit for calculating area, and distance and length began to be measured in meters.

Purpose

V Russian Federation the area of a piece of land is measured in hectares. In most cases, in hectares (Hectares), the size of the land area for the payment of land tax is calculated. How to calculate 1 hectare? It can be imagined as much as you like both in the form of plans and in the form of tables.

Land area calculation plan:

The length of a certain part of the earth is measured;
The width of the land plot is calculated;
The area of the measured territory is determined.
The resulting calculation result is converted into points and its own coefficient is used.

Hectares are applied in the fields of urban planning, in agriculture, in the design of land management works. In addition, this unit of measurement is also used to calculate the size of the field for playing football.

The units of measurement of the area include the so-called weaving (A) - a measure of calculating a land plot when buying and selling.

Hectare

It is customary to understand a hectare as a unit of measure for an area. In size, 1 ha is equal to the area of a square with a side of 100 m. The concept itself appeared in a person's speech after 1917, and its abbreviated version - ha - was formed 13 years later.

If the width and length of the area being measured is 100 m, its area is 1 hectare (10,000 m²).

Area calculation

To find out the area of the site, you need to multiply the resulting length by the width;
If the figure is more than 10,000 m², then the land plot is more than 1 hectare;
In order to identify the exact area, the resulting figure in hectares should be divided by 10,000.

Weaving

The term weaving is understood as a piece of land with an area of 1 Ar (the diameter of a rectangle with a facet of 10 m, a measure of calculating the territory in France).

1 Ap is equal to 100 m², respectively 0.01 ha. For a visual example, mark a starting point, take 13 small steps, rotate 90 degrees, and walk the same amount. The resulting square is the Ar of the land plot as a result of a small calculation.

Weaving is also called one hundredth of anything... This type of calculation is convenient both for construction and sale, and for sowing land plots.

The ratio of one hundred square meters to hectare

People who are interested in buying a plot of land often ask themselves the question: how many hundred square meters per hectare? After all, it is there that we often come across such a concept as weaving. Where does the question arise: how many acres are included in 1 hectare?

Based on the previously stated text that 1 hectare is equal to 10,000 m², it is necessary to calculate how many acres can fit in 1 hectare. Recall that 1 Ap - square with a diameter of 10 x 10.

So, 1 ha consists of 100 Ares. With the intention of converting Ap to hectares, one of the following methods must be followed:

We divide the required amount of Ap by 100. The resulting figure is the space of the land area in hectares;
We multiply the required number of Ap by 0.01.

Consider the ratio of calculus using the example of a table:

If there is a need to convert hectares to hundreds, you must use this algorithm:

1000: 100 = 10 (Ap size of 1 thousand is equal to 10 hectares)

In case there is no Internet or calculator nearby, and you have to independently calculate hectares and hundred parts, you need to know some features of the translation of these units:

1 hectare is likened to 10,000 m²;
1 weaving is equal to 1 Ap, which, in turn, is equal to 100 m²;
1 ha includes 100 are.

Ratio Ap and m2

When calculating how many m² in Ap, remember the table above, where it is indicated that 1 Ap equals 100 m². When calculated, this will be represented by the following equation: 10 x 10 = 100 m².

Despite the fact that these measures represent a degree of area calculation, they are still used in various cases. So, a square meter most often used when calculating the size of living space and small land areas, hectares - when building a city and large plots of land for agriculture (farms), and Ap are used to measure an area with a duration and scale of no more than one hundred meters.

Hello dear readers of the blog site. In this article, we will explain in detail what HECTAR is.

Many people know that this is what they call the measure of calculating the area of any territory. And they know that this is a fairly large value.

But here's to name precise definition and the size of a hectare even these people in most cases find it difficult.

How much is a hectare?

A hectare is a non-systemic unit of measure for area. Outwardly, it looks like square, in which each side has a length of 100 meters... And the area of such a geometric figure is a hectare.

To make it clearer, just take a look at the following figure.

The square marked with red lines has a side length of 100 meters. And if you remember the simple math rules from school curriculum- to calculate the area of a rectangle (and a square in particular), you need to multiply the lengths of the two sides. In our case:

So, 10 thousand square meters and can be considered a HECTAR.

The figure is really impressive. Therefore, the term itself is used, as a rule, in agriculture and forestry. But for summer cottages, it is not very suitable, since they often talk about smaller areas.

And to make it even easier to visually understand what a hectare is, let's give a few examples:

Football field - 0.714 hectares
Red Square in Moscow - 2.31 hectares
The area of all Moscow is 256,100 hectares

By the way, many people mistakenly confuse hectares and square kilometers, believing that they are one and the same thing.

But this is a gross mistake! After all square kilometer Is a square with a side of 1000 meters. A "square hectare" is 10 times less in length and width.

That is, you can draw some kind of regularity.

One square kilometer contains 100 hectares... And in one hectare - 100 ares (are)... This means that one square kilometer is 10,000 acres.

The origin of the word "hectare"

The term HECTAR has two roots at once. One of the "hect" comes from the ancient Greek "ἑκατόν", which means " hundred". And the second root is “ ar».

AR- this is another, so-called, off-system unit for calculating the area, which also represents square but with side length 10 meters... Thus, its area is:

From here, by the way, comes the more familiar and more popular name for us "ara" - SOTKA.

That is, it turns out that the term HECTAR means "one hundred acres"... And this is exactly the same 10 thousand square meters, which we have already talked about.

Why a hectare is called "off-system"

If you have carefully read the definitions of HECTAR, you might have drawn attention to the phrase "off-system unit of measurement of the area." By the way, the ARA has the same thing. Let's tell you what this means.

First of all, it must be said that the use of the term HECTAR began in 1879. The official permission was issued by the International Committee for Weights and Measures.

This is an organization that makes sure that the same tools and quantities are used all over the world when measuring length, weight, time, and so on. Otherwise, there would be a terrible confusion.

Just imagine that in France there would be meters and kilometers, but in Russia they would continue to measure the distance in arshins and elbows in the old fashioned way.

So this very International Committee of Weights and Measures in 1879 allowed the use of HECTAR when measuring the area. At the same time, abbreviated designations of this value appeared - "ha" and "ha".

But the permission of the International Committee of Weights and Measures came into conflict with the older and more authoritative SI units... It was founded a hundred years earlier (1770) and is a collection of standards for units of measurement of various parameters.

What these parameters are - can be seen from the following table.

So in the System SI no HECTARE simply could not exist, since it is responsible for the lengths (and, accordingly, for the area) METER and its derivatives- millimeter, centimeter, decimeter, kilometer and so on.

But the SI system allows the use of "extraneous" units of measurement. They are called “ non-systemic". By the way, a hectare in this list is in a very representative company. The same category includes, for example, minute, hour, day, ton, centner and liter.

How to convert hundreds and square meters to hectares

As we have already said (more than once), one hectare contains 100 acres and 10 thousand square meters.

Accordingly, in order to translate one measure of area into another, very simple calculations must be carried out.

So, to convert hundred square meters to hectares, you need to multiply them by 0.01. And to convert square meters to hectares, you need to multiply by 0.0001.

Example... It is necessary to determine what is more - 20 acres or 500 square meters.

To solve this problem, let's translate both values into hectares. Accordingly, 20 acres is:

20 * 0.01 = 0.2 hectares.

And 500 square meters is:

500 * 0.0001 = 0.05 hectares.

And it turns out that in our example, 20 acres is more than 500 square meters.

Backward calculations are just as easy. For example, when you know the value of the area in hectares, but you want to translate it into square meters or hundred square meters.

There are quite simple circuit, which helps to quickly convert hectares to hundreds and other measurements of the area. Its essence is explained in this video.

That's all we wanted to tell you about such a term as HECTAR. Until next time on the pages of our blog.

Good luck to you! See you soon on the pages of the blog site