Periodically, we need to know the area and volume of the room. This data may be needed when designing heating and ventilation, when purchasing building materials, and in many other situations. It is also periodically required to know the area of \u200b\u200bthe walls. All these data are calculated easily, but first you have to work with a tape measure - measure all the required dimensions. How to calculate the area of \u200b\u200bthe room and walls, the volume of the room and will be discussed further.
Room area in square meters
- Roulette. Better - with a latch, but a regular one will do.
- Paper and pencil or pen.
- Calculator (or count in a column or in your head).
A set of tools is simple, there is in every household. It is easier to measure with an assistant, but you can do it yourself.
First you need to measure the length of the walls. It is desirable to do this along the walls, but if they are all full of heavy furniture, you can take measurements in the middle. Only in this case, make sure that the tape measure lies along the walls, and not obliquely - the measurement error will be less.
Rectangular room
If the room is of the correct shape, without protruding parts, it is easy to calculate the area of \u200b\u200bthe room. Measure the length and width, write it down on a piece of paper. Write the numbers in meters, put centimeters after the decimal point. For example, length 4.35 m (430 cm), width 3.25 m (325 cm).
We multiply the found numbers, we get the area of \u200b\u200bthe room in square meters. If we turn to our example, we get the following: 4.35 m * 3.25 m = 14.1375 sq. m. In this value, usually two digits after the decimal point are left, which means we round off. In total, the calculated quadrature of the room is 14.14 square meters.
Irregular room
If you need to calculate the area of a room of irregular shape, it is divided into simple shapes - squares, rectangles, triangles. Then they measure all the necessary dimensions, make calculations according to known formulas (there is in the table just below).
One example is in the photo. Since both are rectangles, the area is calculated using the same formula: multiply the length by the width. The figure found must be subtracted or added to the size of the room, depending on the configuration.
Complex room area
- We consider the quadrature without a ledge: 3.6 m * 8.5 m = 30.6 sq. m.
- We consider the dimensions of the protruding part: 3.25 m * 0.8 m = 2.6 sq. m.
- We add two values: 30.6 square meters. m. + 2.6 sq. m. = 33.2 sq. m.
There are also rooms with sloping walls. In this case, we split it so that we get rectangles and a triangle (as in the figure below). As you can see, for this case it is required to have five sizes. It could have been split differently by putting a vertical rather than a horizontal line. It does not matter. It just requires a set of simple shapes, and the way they are selected is arbitrary.
In this case, the calculation order is:
- We consider the large rectangular part: 6.4 m * 1.4 m \u003d 8.96 square meters. m. If we round up, we get 9.0 sq.m.
- We calculate a small rectangle: 2.7 m * 1.9 m \u003d 5.13 square meters. m. Rounding up, we get 5.1 square meters. m.
- We calculate the area of the triangle. Since it is with a right angle, it is equal to half the area of a rectangle with the same dimensions. (1.3 m * 1.9 m) / 2 = 1.235 sq. m. After rounding, we get 1.2 square meters. m.
- Now we add everything up to find the total area of the room: 9.0 + 5.1 + 1.2 \u003d 15.3 square meters. m.
The layout of the premises can be very diverse, but you understand the general principle: we divide into simple figures, measure all the required dimensions, calculate the quadrature of each fragment, then add everything up.
Another important note: the area of \u200b\u200bthe room, floor and ceiling are all the same values. Differences can be if there are some semi-columns that do not reach the ceiling. Then the quadrature of these elements is subtracted from the total quadrature. The result is the floor area.
How to calculate the square of the walls
Determining the area of walls is often required when purchasing finishing materials - wallpaper, plaster, etc. This calculation requires additional measurements. To the already existing width and length of the room you will need:
- ceiling height;
- height and width of doorways;
- height and width of window openings.
All measurements are in meters, since the square of the walls is also usually measured in square meters.
Since the walls are rectangular, the area is calculated as for a rectangle: we multiply the length by the width. In the same way, we calculate the dimensions of windows and doorways, subtract their dimensions. For example, we calculate the area of \u200b\u200bthe walls shown in the diagram above.
- Wall with a door:
- 2.5 m * 5.6 m = 14 square meters m. - the total area of \u200b\u200bthe long wall
- how much does a doorway take: 2.1 m * 0.9 m = 1.89 sq.m.
- wall excluding doorway - 14 sq.m - 1.89 sq.m. m = 12.11 sq. m
- Wall with a window:
- square of small walls: 2.5 m * 3.2 m = 8 sq.m.
- how much does a window take up: 1.3 m * 1.42 m = 1.846 sq. m, rounding up, we get 1.75 sq.m.
- wall without a window opening: 8 sq. m - 1.75 sq.m = 6.25 sq.m.
Finding the total area of the walls is not difficult. We add up all four numbers: 14 sq.m + 12.11 sq.m. + 8 sq.m. + 6.25 sq.m. = 40.36 sq. m.
Room volume
Some calculations require the volume of the room. In this case, three values are multiplied: width, length and height of the room. This value is measured in cubic meters (cubic meters), also called cubic capacity. For example, we use the data from the previous paragraph:
- length - 5.6 m;
- width - 3.2 m;
- height - 2.5 m.
If we multiply everything, we get: 5.6 m * 3.2 m * 2.5 m = 44.8 m 3. So, the volume of the room is 44.8 cubic meters.
Are you going to buy or sell an apartment, furnish it or just start a renovation? In any such case, the price of the issue depends on the exact dimensions of each individual room. You can hire specialists to carry out calculations, but this will entail additional costs. To avoid them, we suggest you figure out how to calculate the area yourself.
How to calculate the area of a room - step by step instructions
When calculating the area, you need to know the length, width and height of the roomYou can, of course, look into the technical documentation of the house and see all the necessary characteristics in it. But, firstly, there are often errors there, and secondly, sometimes it is easier to calculate everything on your own than to find documents.
To carry out the calculations, we need certain tools, most of which can be easily found in every home. Namely:
- roulette;
- pencil;
- note paper;
- calculator (you can use the calculator that is available on our website);
- sobriety of mind and clarity of thought.
Floor
It is better to take measurements at the base of the walls, and for this it is advisable to move or take out all the furniture. But, if such a procedure was not included in your plans, you can measure in the center. The main thing is that the imaginary line along which the measurement will be made is located at an angle of 90 ° to the wall.
After the measurement data has been received and verified, they must be multiplied according to the formula, where S is the area in square meters, a and b are the length and width, respectively.
If a niche or some other adjoins the main room, its area must be calculated using the same algorithm, and the results added to the area of the room. If there are various protrusions that occupy part of it, they should also be measured and the result obtained should be subtracted from the total.
With squares and rectangles, everything is simple. And how to calculate if it has an irregular shape? Here you have to apply logical thinking, and remember a little the school course in algebra and geometry. But let's go in order.
Calculator
If the room is irregular
Try mentally or on paper to divide the room into simple elements (squares, rectangles, triangles). Next, you will need to calculate the size of each of them, and add the results.
- for a triangle - . Where a is the length of the base of the triangle, b is the height drawn from the top to the base;
- for circle - . Where 3.14, r is the radius of the circle (to find out the radius, use a tape measure to find the longest distance between the walls and divide it by 2);
- for a semicircle - (letter designations coincide with the previous paragraph).
As it turned out, in this case, there is nothing complicated. The main thing is to carefully check the measurement results so that a random error does not creep into the calculations, and they do not have to be done again.
And further. If you want to install a warm floor, do not forget to separately calculate the area that the furniture occupies, and subtract it from the total value for the room.
We have dealt with the floor. But in preparation, for example, for wallpapering, this will not help you much. You will need to find out the exact number of square meters that the walls occupy.
Walls
The area of each individual wall can be calculated in the same way as the square of the floor. Only now, instead of the width of the room, you will need to measure its height. We multiply the length of the wall by the height and we get the result we need in square meters.
And you can calculate for all walls at once. To do this, you need to know the perimeter of space. Take a tape measure and measure the length of each wall, add up the results - this will be the perimeter. It remains to measure the height of the room and use the following formula: where p is the perimeter and h is the height.
Now you need to deal with the window, door and other openings that are present in the room.
To get accurate numbers, builders recommend measuring the wall in three places (at the beginning, middle and end). After that, the obtained data should be summarized and divided by 3 and thus calculate the arithmetic mean. Such a procedure helps to avoid errors, even if .
When measuring windows and doors, you should not calculate the correctness of their shape.
It is better to personally measure all four sides, and not just two adjoining. This approach will protect you from the consequences of the negligence of builders and unnecessary costs (for example, when replacing windows or doors).
Whatever the reason why you still decide to figure out how to independently calculate the area of \u200b\u200bthe room - remember that it is desirable to do any work with high quality. Therefore, try to carefully plan the whole process, prepare the necessary tools, and boldly proceed with measurements and calculations. And our tips, we hope, will make it easier for you to implement them.
Video: calculating the area of \u200b\u200bthe room
Everyone who started a repair is faced with the need to calculate when buying the exact amount of building materials.
In order not to overpay and not find a shortage, you need to know how to calculate the square meters of a room, walls, floor, ceiling.
Everything is quite simple, but it may be difficult to calculate the area of \u200b\u200bnon-standard premises. How to calculate the area of a room in square meters? Formulas with examples below.
Armed with a tape measure, calculator and notepad, you can start with the simplest thing - calculating the square of the wall (ceiling, floor - it doesn’t matter if it’s a rectangle, the calculation is the same).
Width and height are measured to the ceiling. It can even be seen by eye that the room has not ideal angles.
Then it is worth taking measurements in several places - for example, taking the height from one side of the wall and from the other.
If the numbers are different, the arithmetic mean is calculated (both indicators are added and divided by 2).
To find out the number of square meters, you need to multiply the length by the height of the wall. For the floor - length by width.
- Example: wall width 3.6 m, height 2.9 m.
- The area of such a wall will be 3.6 x 2.9 = 10.44 m 2.
A calculation is made for each wall, and the results are added up.
Calculation of the area of \u200b\u200bthe room
Not always, the room is a regular rectangle. There may be many special cases. Let's consider some of them.
Floor and ceiling in a room with a pantry, a bay window, a niche, etc.
How to calculate the square meter of the floor? The basic principle is this: the total area must be divided into separate parts to get simple figures, and calculate the square for them separately, and then add up all the results.
Example. The room was combined with a balcony and made a warm loggia. It is necessary to calculate the floor area for the entire resulting room:
- The length and width of a large room are measured (say, 5 m by 6.7 m).
- The results are multiplied (5 x 6.7 = 33.5 m 2).
- The length and width of the loggia are measured (for example, 2.1 m by 1.4 m)
- The results are multiplied (2.1 x 1.4 \u003d 2.94 m 2)
- The first total and the second total are added up (33.5 + 2.94 \u003d 36.44 m 2)
The same is done if you need to add the area of \u200b\u200bother rooms and elements.
The exterior cladding of the house is done not only for beauty, but also to protect the building from external factors. Here you will find recommendations for choosing the material for house cladding, depending on the material of the building itself: brick, wood, frame house.
Wall, excluding windows, doors; floor without oven
Windows, doors, stoves are also rectangles, the square of which will need to be calculated separately. The only difference is that these figures will need to be subtracted from the total area.
Example. There are two identical windows on the wall. You need to find out how much material it will take to finish the wall, excluding windows:
- The length and height of the wall is measured (For example, 2.5m x 4.5m).
- The total quadrature of this wall is found (2.5 x 4.5 \u003d 11.25 m 2).
- The height and width of the window are measured along the edge of the frame (90 cm (0.9 m) by 1.3 m).
- The window area is found (0.9 x 1.3 \u003d 1.17 m 2).
- We have two windows, so the figure doubles (1.17 x 2 = 2.34 m 2).
- We subtract the area of both windows from the total quadrature of the wall (11.25 - 2.34 \u003d 8.91 m 2).
Similarly, they act if it is necessary to exclude doors or other elements from the area (radiators, fireplaces, stoves or even furniture).
Round (and semicircular) false ceiling elements, windows, columns, heating boilers, etc.
In some cases, you can find out the diameter (and hence the radius) by simply applying a tape measure, as is the case with false ceiling elements and windows. Then the formula for the area of a circle along the radius will be:
S = π r 2
- Using a tape measure, measure the diameter of the window (for example, 80 cm).
- We divide the diameter in half, find out the radius (80:2 \u003d 40 cm, or 0.4 m).
- We calculate the area. π is always = 3.14. (3.14 x 0.4 2 = 3.14 x 0.16 = 0.5024 m 2).
If the diameter simply cannot be measured, as, for example, with a column or pipe, you will need to measure the circumference.
The formula for the area of a circle by the circumference is:
S = L 2 :4 π
Example. There is a column. You need to find out the floor area in the hall without it:
- The length and width of the room are measured, its area is found (for example, 19 m 2).
- A tape measure measures the circumference of the column (say, 88 cm, or 0.88 m).
- The formula calculates the area of the column (0.88 2: 4π \u003d 0.7744: 4x3.14 \u003d 0.7744: 12.56 \u003d 0.62 m 2.
- The area of the column is subtracted from the area of \u200b\u200bthe room (19 - 0.62 \u003d 18.38 m 2).
In the case of a semicircular element, we do the same, but at the very end we divide the result by 2.
Example. You need to find out the area of \u200b\u200ba window with a semicircular (arched) top:
- The width and height of the rectangular part of the window are measured (for example, 1.1m by 1.4m).
- The area is calculated (1.1 x 1.4 = 1.54 m 2)
- The diameter of the round part will correspond to the width of the window (we have 1.1 m).
- The radius is half the diameter (1.1:2 = 0.55)
- The area of the circle is found (3.14 x 0.55 2 \u003d 3.14 x 0.3025 \u003d 0.95 m 2).
- The area of a semicircle (0.95: 2 \u003d 0.475 m 2).
- The areas of the rectangular part of the window and the semicircular part are added up (1.54 + 0.475 = 2.015 m 2).
How to calculate the quadrature of a curved room?
Sometimes in rooms one of the corners is "cut off" or the wall goes at an angle. Then the same principle of dividing complex figures into simpler ones applies, but some of them will be triangles.
In complex tasks, a good drawing is half the success. Make a floor plan that will help you “divide up” the space on paper, not in your head.
Beveled corners in the room
In fact, such a room is a rectangle from which a triangle has been “cut off”. Finding the area of this triangle, and subtracting it from the total quadrature, the area of the room remains.
The area of a triangle is found by the formula:
S = ab :2
Where a and b are legs, or sides perpendicular to each other.
The beveled part is the hypotenuse, which is not required for calculations.
- To find out "a", the width of the wall where the cut begins, and then the opposite wall is measured and the difference between them is found (for example, the beveled wall is 1.7 m, and the opposite wall is 3 m, which means "a" \u003d 1.3 m) .
- Similarly, "b" is found, only the lengths of the room are compared (for example, 5 m and 3.6 m. Calculation: 5 - 3.6 \u003d 1.4 m).
- The area of \u200b\u200bthe "cut" triangle is calculated (1.3 x 1.4: 2 \u003d 1.82: 2 \u003d 0.91 m 2).
- According to the measurements made earlier, if the room were rectangular, its dimensions would be 5 m by 3 m. So, the quadrature is 5 x 3 = 15 m 2.
- Subtract the area of the triangle from the total quadrature (15 - 0.91 = 14.09).
Conclusion
So, you can calculate the area of any, even the most complex room, if you break it down into simple shapes and remember a few formulas from the school course. Remember that you need to round so that there is a surplus of materials, and indeed 5 - 10% of the spare material should always be on hand.
Related video
In order to determine the cost of services for wallpapering by a private master, you need to know the total area of \u200b\u200bthe walls and the perimeter of the room. There are services that are calculated by square meters, such as gluing or priming. And there are services for which you need to know the running meters, for example, installation of skirting boards or gluing curbs. It is not necessary to use the services of measurers, just remember the school curriculum in geometry. This information will also help in calculating the required amount of wallpaper, glue, and so on.
Wall area = room perimeter * ceiling height
First you need to measure the width and length of the room. We must say right away that the obtained measurements of the length and width of the room must be converted into meters. For example, if the length of the room is 325 centimeters, then we consider 3.25 meters.
Room length 4.75 meters
Room width 3.25 meters
Calculate the perimeter of the room, which is equal to the sum of all sides.
P \u003d (a + b) x2, where a and b are the width and length of the room. Therefore (4.75 + 3.25) x2 = 16 meters.
The perimeter of our room is 16 meters. P=16 meters.
Now you need to measure the height of the room. We measure the height of the wall - we got 2.71 meters.
h=2.71 meters.
To get the area of the walls, you need to multiply the perimeter of the room by the height of the walls.
S walls \u003d Pxh, where h is the height of the walls.
S walls \u003d 16x2.71 \u003d 43.36 meters.
The area of the walls of our room is 43.36 square meters. meters. S=43.36 m2.
From this figure you need to subtract the area of \u200b\u200bwindows and doors - after all, there is no need to glue wallpaper there. We have one window in the room, the area of \u200b\u200bwhich is 1.95 m 2 (1.3m x 1.5m). Door area 1.17 m 2 (0.61m x 1.92m). The sum of the areas of windows and doors that are not involved in wallpapering is 3.12 m 2.
The net area of the walls is 43.36 - 3.12 \u003d 40.24 m 2.
In cases where the room is of a non-standard size and does not look like a rectangle, you will have to calculate the area of \u200b\u200beach wall separately and then sum them up.
Table of wall areas for wallpaper and painting
Below is a table that will help you quickly determine the area of \u200b\u200bwalls for wallpapering (or painting). To calculate the indicators, the typical area of windows and doors was used. Wall area indicators vary according to the height of the ceiling of the room:
| Room area, m 2 | Room ceiling height 2.50 m | Room ceiling height 2.70 m | Room ceiling height 3.0 m |
| 10 | 29 | 31 | 33 |
| 11 | 30,5 | 32,5 | 34,5 |
| 12 | 32 | 34 | 36 |
| 13 | 33,5 | 35,5 | 37,5 |
| 14 | 35 | 37 | 39 |
| 15 | 36,5 | 38,5 | 40,5 |
| 16 | 38 | 40 | 42 |
| 17 | 39,5 | 41,5 | 43,5 |
| 18 | 41 | 43 | 45 |
| 19 | 42,5 | 44,5 | 46,5 |
| 20 | 44 | 46 | 48 |
| 21 | 45,5 | 47,5 | 49,5 |
| 22 | 47 | 49 | 51 |
| 23 | 48,5 | 50,5 | 52,5 |
Instruction
For a room shaped like a rectangle or square, use the appropriate formula that uses the lengths of the sides of these geometric shapes:
S = A x B, where
S is the area;
A and B are the lengths of the sides of the rectangle.
Move the furniture away from the walls and measure with a measuring tape. Using the help of a partner, measure the length of the walls along the baseboard, avoiding deflection of the tape measure and its excessive tension.
Convert the measurement data to meters and fix it on a piece of paper. Multiply the measured length of the room by its width. As a result, you will get the desired area of \u200b\u200bthe room, expressed in square meters. For example, if the length of the room was 5.3 m, and the width was 3.8 m, then the area of \u200b\u200bthe room would be 5.3 x 3.8 \u003d 20.14 square meters. m.
If the room has an irregular shape, for the convenience of calculations, draw a diagram of it on the sheet. The scheme can be drawn arbitrarily, without observing the exact proportions; the main thing is that the drawing conveys the outlines of the room.
Divide the space of the room in the drawing into several simple geometric shapes. Using a tape measure, measure the selected elements and record the results next to each dividing line. Sequentially calculate the areas of all the figures that make up the space of the room. Add up the individual areas to get the desired overall result.
To calculate a compound circuit element that has the shape of a right triangle, use the formula:
S = (A x B) / 2, where
S is the area of the triangle;
A and B are the lengths of the legs;
x is the multiplication sign.
When calculating the area of a room with niches, ledges, columns and other structural elements, be sure to take into account their presence. Depending on the type of element, the area occupied by it must be added to the area of a simple figure or, conversely, subtracted from it.
Area apartments- the value is useful both for developers and tenants, and for owners and tenants. It is necessary to calculate the cost of buying or renting, paying for utilities, repairs, etc.
Periodically, we need to know the area and volume of the room. This data may be needed when designing heating and ventilation, when purchasing building materials, and in many other situations. It is also periodically required to know the area of \u200b\u200bthe walls. All these data are calculated easily, but first you have to work with a tape measure - measure all the required dimensions. How to calculate the area of \u200b\u200bthe room and walls, the volume of the room and will be discussed further.
Room area in square meters
- Roulette. Better - with a latch, but a regular one will do.
- Paper and pencil or pen.
- Calculator (or count in a column or in your head).
A set of tools is simple, there is in every household. It is easier to measure with an assistant, but you can do it yourself.
First you need to measure the length of the walls. It is desirable to do this along the walls, but if they are all full of heavy furniture, you can take measurements in the middle. Only in this case, make sure that the tape measure lies along the walls, and not obliquely - the measurement error will be less.
Rectangular room
If the room is of the correct shape, without protruding parts, it is easy to calculate the area of \u200b\u200bthe room. Measure the length and width, write it down on a piece of paper. Write the numbers in meters, put centimeters after the decimal point. For example, length 4.35 m (430 cm), width 3.25 m (325 cm).
We multiply the found numbers, we get the area of \u200b\u200bthe room in square meters. If we turn to our example, we get the following: 4.35 m * 3.25 m = 14.1375 sq. m. In this value, usually two digits after the decimal point are left, which means we round off. In total, the calculated quadrature of the room is 14.14 square meters.
Irregular room
If you need to calculate the area of a room of irregular shape, it is divided into simple shapes - squares, rectangles, triangles. Then they measure all the required dimensions, make calculations according to known formulas (there is a table just below).
One example is in the photo. Since both are rectangles, the area is calculated using the same formula: multiply the length by the width. The figure found must be subtracted or added to the size of the room - depending on the configuration.
Complex room area
- We consider the quadrature without a ledge: 3.6 m * 8.5 m = 30.6 sq. m.
- We consider the dimensions of the protruding part: 3.25 m * 0.8 m = 2.6 sq. m.
- We add two values: 30.6 square meters. m. + 2.6 sq. m. = 33.2 sq. m.
There are also rooms with sloping walls. In this case, we split it so that we get rectangles and a triangle (as in the figure below). As you can see, for this case it is required to have five sizes. It could have been split differently by putting a vertical rather than a horizontal line. It does not matter. It just requires a set of simple shapes, and the way they are selected is arbitrary.
In this case, the calculation order is:
- We consider the large rectangular part: 6.4 m * 1.4 m \u003d 8.96 square meters. m. If we round up, we get 9.0 sq.m.
- We calculate a small rectangle: 2.7 m * 1.9 m \u003d 5.13 square meters. m. Rounding up, we get 5.1 square meters. m.
- We calculate the area of the triangle. Since it is with a right angle, it is equal to half the area of a rectangle with the same dimensions. (1.3 m * 1.9 m) / 2 = 1.235 sq. m. After rounding, we get 1.2 square meters. m.
- Now we add everything up to find the total area of the room: 9.0 + 5.1 + 1.2 \u003d 15.3 square meters. m.
The layout of the premises can be very diverse, but you understand the general principle: we divide into simple figures, measure all the required dimensions, calculate the quadrature of each fragment, then add everything up.
Another important note: the area of \u200b\u200bthe room, floor and ceiling are all the same values. Differences can be if there are some semi-columns that do not reach the ceiling. Then the quadrature of these elements is subtracted from the total quadrature. The result is the floor area.
How to calculate the square of the walls
Determining the area of walls is often required when purchasing finishing materials - wallpaper, plaster, etc. This calculation requires additional measurements. To the already existing width and length of the room you will need:
- ceiling height;
- height and width of doorways;
- height and width of window openings.
All measurements are in meters, since the square of the walls is also usually measured in square meters.
Since the walls are rectangular, the area is calculated as for a rectangle: we multiply the length by the width. In the same way, we calculate the dimensions of windows and doorways, subtract their dimensions. For example, we calculate the area of \u200b\u200bthe walls shown in the diagram above.
- Wall with a door:
- 2.5 m * 5.6 m = 14 square meters m. - the total area of the long wall
- how much does a doorway take: 2.1 m * 0.9 m = 1.89 sq.m.
- wall without doorway - 14 sq.m - 1.89 sq.m. m = 12.11 sq. m
- Wall with a window:
- square of small walls: 2.5 m * 3.2 m = 8 sq.m.
- how much does a window take up: 1.3 m * 1.42 m = 1.846 sq. m, rounding up, we get 1.75 sq.m.
- wall without a window opening: 8 sq. m - 1.75 sq.m = 6.25 sq.m.
Finding the total area of the walls is not difficult. We add up all four numbers: 14 sq.m + 12.11 sq.m. + 8 sq.m. + 6.25 sq.m. = 40.36 sq. m.
Room volume
Some calculations require the volume of the room. In this case, three values are multiplied: width, length and height of the room. This value is measured in cubic meters (cubic meters), also called cubic capacity. For example, we use the data from the previous paragraph:
- length - 5.6 m;
- width - 3.2 m;
- height - 2.5 m.
If we multiply everything, we get: 5.6 m * 3.2 m * 2.5 m = 44.8 m 3. So, the volume of the room is 44.8 cubic meters.
A variety of real estate transactions, exchange, sale or purchase, entry into inheritance rights, the decision to donate your own housing in the complex or part of the apartment due to the donor.
What domestic lawyers specializing in civil law, notaries and lawyers do on the problems of lawsuits in the field of housing disputes.
Today, this area requires accurate calculations of the available space and a large number of supporting certificates, acts and other necessary paperwork.
Today, there are more and more owners of housing at various price levels.
All of them keep on the most secret shelves whole weighty folders with documents, among which there must be a certificate of the total area of the apartment and individual rooms and premises.
There are many questions, but most of them can be answered in the Civil Code of the Russian Federation and from a professional lawyer, who will definitely explain all the nuances regarding this topic.
Let's start with the basics - what are the calculations and measurements of square meters of an apartment or house for and why is this such an important aspect of housing law.
Indeed, without relatively simple arithmetic formulas, each owner can accurately determine how many rooms belong to the usable and total area that he has.
Why count and measure?
It would seem that everything is relative and, having lived in their apartment for more than one year, not everyone thinks about how much area it is. But let several times during life you have to think about such a serious issue.
First of all, this need can arise on a completely everyday basis, because each of us lives and daily carries out various actions that, one way or another, require basic knowledge in the field of mathematics, geometry, and simply abstract thinking.
Why you need to make measurements and calculations:
- When planning repairs and renovations internal main and auxiliary premises.
- When assessing the need in building and finishing materials.
- To carry out transactions in the field of buying and selling an apartment or individual parts of an integral residential complex.
- In the absence of a master plan for a residential apartment.
- For the issuance of various kinds of certificates by the BTI bodies, including inventory.
- An independent appraiser to draw up an examination of housing in the implementation of the purchase and sale and other legal procedures with residential premises.
- To determine possible charges for consumed utilities- for example, heating and others tied to the area and dimensions.
- To improve the ergonomics of housing, indirect determination of heat losses and development of ways to save resources.
- During a major overhaul in the house as a whole and on the floors separately.
- Reinstallation of new windows and doors requires calculations of compliance with the general concept of the apartment with door and window openings.
And this is not all the reasons that require accurate measurements. This is especially true for apartments, where non-standard layout and features of the location of rooms and unusual geometry prevail.
Formulas
Nowadays, software and computer programs are used for this.
Thanks to the efforts of the developers, it is possible to use a variety of calculation products that, by analyzing the measurement results, make it possible to carry out the calculation and, on its basis, refine or determine the total area of \u200b\u200bhousing.
The priority of this method is the full compliance of the final data, amazing accuracy, no need to calculate every meter in rooms and other premises.
At the same time, the logic of calculations and the main techniques and methods are preserved:
- The rectangular area is calculated by multiplying length and width.
- The round room is more difficult to calculate. By determining the squared radius multiplied by "pi" or the square of the diameter divided by four and multiplied by the same "pi".
- Triangular rooms can be of a different nature. A right triangle is calculated by multiplying the legs and dividing the result by 2. Other shapes are calculated by multiplying the sides of the angle and the sine of the angle between them.
- Complex room kennels are determined by adding up individual fragments from simpler shapes - squares, rectangles and other geometric shapes.
How to calculate the square meters of a room?
The calculation of housing areas is made in accordance with the standard formulas given above.
According to the system of reference units in force in our country and in most developed countries of the world, the area is measured in square meters:
- Logically, when multiplying linear dimensions - meters by meters, they are doubling and the area has a two-dimensional designation - square meters.
- If the area of the apartment has a complex geometry and non-standard outlines, then you can calculate by applying a film or measuring individual fragments.
Through simple calculations, the areas are added up and the owner receives information about the full size of his real estate.
How to calculate square meters of walls?
This is a much simpler action than measuring areas. Walls usually have a standard shape, so these manipulations are much easier and more elementary.
In this case, two sides are multiplied among themselves - the length and height, in the calculations they also get the result in square meters.
Converting other units of measurement
The conversion of the data obtained into other more convenient standard units of measurement is carried out by using one's own school knowledge or by means of conversion tables that can be found on specialized sites in the online calculator mode.
To make primary measurements of the length and width of rooms, you need to stock up on a building meter or tape measure, a special pencil, a notebook and a calculator, as well as attention, patience and accuracy.
3 6 458 0Most often, this question is relevant to those who will have to do repairs in the near future. The amount of necessary building materials depends on the square meters of a room or apartment. The cost of the robot repair masters also depends on the quadrature. Therefore, it is very important to learn how to calculate square meters of housing yourself. We will share with you some ways how to do it right. Following our advice, you can easily and very quickly learn how to do it yourself.
- Roulette is best used with a large supply of meter tape. For example, 10 meters. It's much more convenient. But if there is a tool of shorter length, it is not necessary to look for a replacement for it. You will only have to rearrange it more often. The main thing - do not miss the point where the footage ends.
- You may need help. The tape measure must be held or somehow fixed at the starting and following points.
- It is necessary to carry out a tape measure along the most even line. Otherwise, the calculations may be more. As a result - an incorrectly calculated quadrature of the room.
- Measure the perimeter of the walls along with the windows and the door. Then, separately calculating their dimensions, subtract from the total perimeter and get the quadrature of the room. It is faster and more convenient than measuring the room in small parts.
Place the beginning of the tape measure in one of the corners of the room (A). It should be fixed there. Pressing firmly against the wall, stretch a 10-meter tape (depending on your tape measure), stretch it to the second corner of the room (B). Here, too, fix the tape measure or ask someone to hold it. Pass the tape measure to the next corner of the room (C).
It turns out that you measured the width and length of the room. Multiply the number that came out by 2.
For example: 9 meters * 2 \u003d 18 m - the total perimeter of the walls of the room.
The next step is the height of the walls. Measure with a tape measure from the ceiling (A) to the floor (B). The resulting figure is multiplied by the perimeter of the walls.
For example: The height of the walls is 3 meters. 3 m * 18 m = 54 m - the total area around the perimeter without subtracting window openings, doors.
If there are several windows of the same size in the room, it is enough to measure only one window. Measure the width (A-B) and height (B-C) of the window slopes with a tape measure. We multiply both numbers.
For example: 2 m (window width) * 1.8 m (window height) = 3.6 m - window perimeter.
In order to save on building materials, you need to know the exact footage of the living space.
To do this, you need to be able to correctly measure the room.
This article details how to do this.
Where to start measuring
Each room has 3 indicators to measure:
- Length. Most often there are values \u200b\u200bof 4 or 4.5 meters.
- Width. In a standard apartment building, the width of the rooms is 3 or 3.5 meters.
- Height. In new buildings, the height of the walls is 2.5 meters, and for example, in buildings of the Stalin era, it can reach three meters.
To measure square meters, you will need the following tools:
- roulette;
- pencil;
- paper;
- calculator.
Algorithm for calculating the quadrature of the room
For the calculation, it is necessary to apply the area formula: S \u003d a * b, where S is the area, a is the length, b is the width.
So, let's calculate the footage using the example of a living room with the following indicators:
Height (h) = 2.5 m;
Width = 3 m;
Length =5 m.
Let's calculate the floor area of the room: S= 5 m*3 m = 15 m2. You will need these data when buying a floor covering or installing a stretch ceiling.
We calculate the area of \u200b\u200bthe room along the walls using the following formula:h *(a*2+ b*2).
We calculate as follows: 2.5 m * (5 m * 2 + 3 m * 2) \u003d 40 m2.
In order to obtain net area values, it is necessary to subtract the area of doors and windows from 40m2.
Doors and window openings
Standard doors have the following dimensions:
Width = 0.8 m, height = 2.0 m.
We multiply the indicators on each other: S \u003d 0.8 m * 2.0 m \u003d 1.6 m2.
A standard window in a multi-storey building has the following dimensions:
Width \u003d 1.6 m, height \u003d 1.5 m. In the course of the product of two numbers, we get the area: S \u003d 1.6 m * 1.5 m \u003d 2.4 m2.
Snet \u003d 40 m-2.4 m-1.6 m \u003d 36 m2.
Master's note: determining the net area will help you choose the right amount of wallpaper tubes, drywall sheets and other finishing materials.
Irregular room
It is necessary to measure the quadrature of the room in stages, dividing it into several sections of the correct shape.
So, let's look at concrete examples of how to calculate the footage:
- Kitchen. Each kitchen has a ventilation shaft, a radiator along the window, a door, a window and a built-in storage shelf. Let's calculate the net area of the kitchen walls for wallpapering.
Kitchen details:
Height =2.5 m;
Width=3m;
Length =3.5m.
Door size: width=0.8m, height=2.0m;
Window size: width 1.2 m, height = 1.5 m;
The ventilation shaft has the following dimensions: width =50 cm, length =30 cm; height = 2.5 m;
Built-in shelf: width = 20 cm, length = 50 cm, height = 2.5 m;
Radiator dimensions: width = 10 cm, length = 100 cm, height = 50 cm.
Let's calculate the net area:
First, we find the total area: (3.5 m * 2) + (3 m * 2) * 2.5 m = 32.5 m2;
Windows: S net = 1.2 m * 1.5 m = 1.8 m2;
Doors: S net = 0.8 m * 2.0 m = 1.6 m2;
Ventilation shaft: S net = (50 cm * 2) + (30 cm * 2) * 2.5 m = 400 cm2 or 0.40 m2;
Built-in shelf: S net = (20 cm * 2) + (50 cm * 2) * 2.5 m = 350 cm2 or 0.35 m2;
Radiator surface area: (10 cm *2) + (100 cm *2) * 0.5 m = 110 cm2 or 0.11 m2.
Now we determine the number of net square meters by subtracting their total area: S net kitchen walls \u003d 32.5 m2 - 1.8 m2 - 1.6 m2 - 0.40 m2 - 0.35 m2 - 0.11 m2 \u003d 28, 24 m2.
Useful advice: to count the number of wallpaper tubes, you need to divide the net area by the number of sheets in the tube.
A standard tube has the following dimensions: width = 50 cm, canvas length = 10 m. The height of the walls of the apartment is 2.5 m, and it follows that 4 paper sheets are included in one wallpaper tube: 10 m / 2.5 m = 4 sheets .
Let's calculate how many tubes are needed to glue the kitchen:
28.24 m2 / 4 = 7.06 tubes. But since a paper canvas can contain a pattern in increments of 0.3 or 0.5, the number of tubes should be rounded up to 8.
- Bathroom. Calculate the number of boxes of tiles for a standard bath. In order to correctly calculate the quadrature of the room, it is necessary to take measurements taking into account the trimming of ceramic tiles.
We know the standard size of the door: width = 0.8 m; height = 2.0 m.
The size of a typical bathroom is: width 2.3 m; length = 1.6 m, height = 2.5 m.
We calculate the net area of the bath:
S baths \u003d (2.3 m * 2) + (1.6 m * 2) * 2.5 m \u003d 19.5 m2.
Then, subtract the following values:
S net = 19.5 m2 - 1.6 m2 = 17.9 m2.
In order to calculate how many boxes of tiles you need, you should decide on the size of the ceramic product. The tile comes in the following sizes: 10x10; 10x20; 20x30; 30x30. Let's take a more common option: 30x30.
There are 10 pieces in one package and, knowing the size of the tile, you can calculate the number of pieces per 1 m2:
1 m2 is 100 cm by 100 cm, it follows that 1 m2 includes 9 whole tiles 30x30 and 7 tiles, 10x10 cm in size.
Let's determine the number of whole tiles and the number of cuts:
17.9 m2 / 9 \u003d 1.9 - round up and get 20 boxes of whole tiles;
20 * 7 = 140 small tiles, 10x10 in size.
If you lay tiles on a plane without trimming, then you should take 20 boxes, and if with trimming, then 16.
- Balcony. To get the net area of the balcony, it is necessary to measure the frames with glazing. The perimeter of the balcony is measured excluding windows.
- Garage. As a rule, the garage is a box with a small window. To calculate the net area, it is necessary to measure the dimensions of the gate.
try on the area of a round window, ceiling, building wall in the form of an irregular shape or an octahedron, can be done using improvised means.
Take a tape measure and measure the maximum diameter of the circle, for example, it turned out to be 100 cm. We calculate the radius: 100 cm / 2 \u003d 50 cm - this is ¼ of a circle in the form of a triangle.
If the circle is visually divided into 4 parts, and the points are connected with straight lines, we get 2 isosceles triangles or 1 square. We know a part of an isosceles triangle, therefore, all sides will be 50 cm long. It remains to find the area of a square where all sides are 50 cm long. You can calculate the total area of \u200b\u200bany structure using an online program.
Watch the video in which the master explains in detail how to correctly calculate the area of \u200b\u200bthe walls in the apartment.
