How to count cubes into pieces. How many boards are in a cube: how to make calculations using various methods. Calculating and completing a math problem

In order not to waste time in the process of waiting for the delivery of lumber and the problem of shortage, you should immediately calculate the required quantity and place an order with a certain margin. Initially, it is worth finding out how many boards are in a cube. The table given in the regulatory documents will help you quickly determine the desired value. You can also use the cubic meter calculator developed by our team, with the help of which it is easy to determine the number of a specific standard size online. We suggest that you familiarize yourself with the possible methods to make it easier to choose the optimal one.

Anything starts with choosing the right material. Manufacturers offer lumber in various sizes, shapes and degrees of processing. Each of the listed indicators can have a significant impact on the cost. In order not to overpay, we suggest that you familiarize yourself with the most popular types of sawn timber, as well as their possible area of ​​use.

Edged timber

The most popular type, widely used at the stage and during the repair work. Can be of various sizes in all directions. Made from solid wood. All edges of the material are processed.

To find out how much will be in a cube, you need to know the cutting parameters. By multiplying the length by the cross-sectional area, you can find the volume of one product. To determine the amount of timber in a cube, it will be necessary to find the inverse value of the found volume, expressed in meters. If you initially know how much is required, the volume of one product will need to be multiplied by the required amount. We will describe in more detail how to calculate the cubic capacity below.

Attention! The edged material has natural moisture. In the look-up tables, you can find the numerical value of moisture for different woods.

Sliced ​​timber

Lumber of this type must be dried during the manufacturing process. This affects the dimensions and weight of the finished lumber, as well as its service life. When determining how much a cube of a board weighs, this factor must be taken into account.

The planed timber has a high-quality surface that can be used in industry. Its cross-sectional sides are 1 to 2.

Planed bar

According to its characteristics, the bar is similar to the bar. The difference, according to regulatory documents, lies in the geometric parameters. If the width of the product is 100 mm maximum, this is a bar. Otherwise, we are talking about a bar.

Edged bar

Lumber with natural moisture. In terms of characteristics, it is similar to a bar, but has a smaller size. When choosing, you should pay attention to:

• what wood it was made of;
• how long it took to dry;
• for what design it is purchased.

Edged board

It is made from wood of natural moisture. Has a width twice the thickness in cross section. This significantly reduces the bearing capacity in comparison with a bar. Most often it is used when performing construction work inside a building: when installing, floor, walls. Suitable for the construction of a fence, outbuildings. The most popular board is inch, the dimensions of which can withstand a significant operational load.

Floor board

Timber with a designated purpose. Manufacturers offer several types of floorboards:

• Parquet of high quality, we provide a three-layer structure;
• combining the characteristics of natural wood and high-quality polymer;
• The usual consisting exclusively of natural wood. Suitable option for the device.

Attention! Select a material that is thick enough for the specific service load.

Knowing how many square meters are laid, and how many boards are in a cube, you can calculate the thickness of the laid material.

Unedged materials

During the production process, such material is not processed from all sides. As a result, the finished product has two wide longitudinally spaced plates and uncut sidewalls. It is in demand in the construction of premises for various purposes, formwork, flooring, as well as in the performance of various irresponsible construction works.

Before calculating the cube, do not rush to rush in search of the corresponding formulas. If you do not want to do time-consuming calculations, reference tables will come to the rescue. How many boards per cubic meter can be found with their help in a matter of minutes.

How many boards per cubic meter according to the table

To begin with, it should be noted that the dimensions of the lumber are standardized. Using the regulatory documents, it is easy to find out how many boards are in a cube. To do this, you need to decide what size material will be used when performing construction work.

If you didn’t manage to figure out how to use the tables, you can use the online calculator of planks in a cube, or do the calculation yourself.

The basic procedure for calculating the number of boards per cubic meter

Before proceeding with the calculation, it is worth learning how to calculate a cubic meter. Such a volume will be numerically equal to a cube, each side of which is equal to a meter. To find the desired value, you need to multiply the linear dimensions of the figure among themselves.

To begin with, the volume of one product is determined. If we are talking about an edged board, we multiply the linear dimensions of the board: length by thickness and width. If they are given in millimeters (mm), be sure to convert them to meters. Otherwise, in the future it will be possible to get confused in the dimensions.

After the cubic capacity of one board has been found, the calculation procedure depends on what initial data is. If you need to calculate the number of products in a cube, we find the inverse value of the one found. In other words, when calculating, the unit (1 cube) is divided by the calculated value. The resulting value should be rounded to the nearest whole number.

If the material is purchased for a specific surface, you will need to know the dimensions of the room in order to calculate the square of the room. To determine the required amount of lumber, cubic meters are converted into squares. To find out how many square meters are in a cubic meter, you need to divide the cube by the thickness (height) of the selected material.

If you are afraid to make a mistake when calculating the required amount, you should perform the calculation of the board in a cube on a calculator. A special program using standard formulas will allow you to determine the desired value much faster compared to independent calculations.

Board cubic meter calculator

For those who are afraid to make a mistake when performing the calculation, we suggest using the board cubic meter calculator. With its help, you can find out how many boards you need in a split second.

Please indicate dimensions in millimeters

W- board width
H- board thickness
L- board length

Initial data
N- quantity in pieces
E- quantity in cubic meters
When building a house or a bath, many are faced with the need to calculate how much lumber will be required for work. Determining how much board or timber you need is simple. But the price of lumber is usually indicated per cubic meter, and in this case it will be more convenient to use a special program for calculations. With the help of our website, knowing the length, width and thickness of the board, as well as their number in pieces, you can calculate how many cubic meters of sawn timber you need and how much one cubic meter or one board will cost.

Scope of application

Lumber is so named because it is obtained by sawing the trunk of a tree. Lumber is used for construction, furniture manufacturing, various containers and other products. Today this type of building materials is the most popular. The wood from which lumber is made is an excellent heat-insulating material, maintains stable humidity and does not require special processing and maintenance, which makes it especially convenient.

Types of lumber

Lumber includes timber, edged board, unedged board, construction slats. The bar is a log processed from all sides. In cut, it has a square or rectangular cross-section. The most widely used timber is in the construction of houses, baths and floor structures.
Edged board is a versatile lumber, which is actively used both in construction work outside the building, and in the design of the interior space. The cut board in section is an elongated rectangle. An unedged board differs from an edged board in that its edges are not cut off, so that the layer of bark of the tree from which this board was cut remains visible. A building lath or bar is a bar with a smaller section than the usual one and is widely used in construction.
Lumber differs in the type of wood from which it is made. They are made from coniferous trees such as pine, spruce and larch. And from hardwoods such as oak and beech, birch, aspen.
Lumber is also distinguished by moisture content. They are classified as raw with a moisture level of more than 22 percent and dry with a moisture content below 22 percent. The former are used for construction work, and the latter for the manufacture of furniture.
There are also several types of lumber. The choice of grade depends on the application. So, for furniture, materials of the highest grade are used. For joinery and molded products, grade 1 lumber is suitable, and grade 2 and 3 is used exclusively as a building board. Lumber, if not used for a long time, must be protected from moisture. This can damage them. It is not recommended to store lumber stacked on top of each other. There must be gaskets between the layers of beams or boards.

Meters are linear, square and cubic. When starting a large construction project or even a small renovation, one should clearly navigate in these terms. The ability to correctly translate the amount of certain materials into linear or cubic meters will serve as an excellent service in preliminary calculations of the cost of planned repairs or construction. For example, clearly understanding how many square meters are in one roll of wallpaper, you can quickly calculate the amount required for pasting a room or an entire apartment.

Calculations can be done in cubic meters, square meters or running meters

If the upcoming repair or construction is related to the use of wooden materials, it is necessary to thoroughly study the recalculations from running meters to cubic meters, since prices can be presented on the market, both per unit of material and per cubic meter. The amount of timber in a cube varies and depends on its section. The easiest way to find out how many boards are in a cube is a table, but if it is not nearby, you will have to remember the formulas.

What is a cubic meter

A cubic meter (abbreviated as m³) is a unit of volume and is equal to the volume of a cube with an edge length of 1 meter. In accordance with GOST 8486-86, wooden materials must have measurable cross-sectional dimensions and lengths, so that you can easily calculate the number of boards included in the cube of the material.

To determine the dimensions of the section, it is necessary to retreat from the end of the beam at a distance of at least 10 cm and measure the width and height of the beam. Multiplying these values ​​by each other, you get the cross-sectional area of ​​the beam, multiplying by the length you get the volume of one bar. Having calculated the number of beams in one cubic meter, you can easily navigate between the cost of one beam and one cube of beams.

A cubic meter is equal to the volume of a cube with an edge side of 1 m

Calculation of lumber for construction before purchasing

Of course, the easiest way is to come to the developer to explain what you want to see in the final version and agree to the proposed project. But, if you independently figure out the calculations of the required amount of lumber, then even at the stage of discussing the cost of materials and work on the construction of a house, you can find out how much the real prices are offered by the construction company.

Many developers calculate the required amount of material in cubes, some count it by the piece, taking as the standard the running dimensions of length - 6 or 12 m.A clear understanding, for example, how many timber in a 150x150x6000 cube will protect against overpayments.

Standard timber 0.15x0.015x6 meters

The procedure for calculating the amount of timber in a cube

Despite the same calculation principle, there are certain nuances in determining the volume and quantity of various lumber.

1. Basic formulas for calculating the number of beams in a cube

To determine how many boards are in a cube, with beams of a certain section, you need to know three measured parameters: length, width and height. First, you need to calculate the volume of one bar according to the formula V = a * b * l (here V - volume, m³; a - height, m; b - width, m; l - length, m)

Bar parameters: length, width, height

How many pieces of timber in a cube is determined by the formula:

Where, A - the number of timber in a cube, pcs;

1 - one cubic meter, m³;

V is the volume of one bar, m³.

2. How to determine how many pieces in a cube of timber 100x150

For convenience, the price lists of construction companies indicate the cross-section of the timber, that is, its width and height, for example, 100x150. Where 100 is the width in millimeters and 150 is the height. The length is most often 6 meters, or 6000 mm.

The volume of the timber 100x150x6000 will be 0.09 m³.

V = 0.1 m * 0.15 m * 6 m = 0.09 m³. Here 0.1 is the width, m; 0.15 - height, m; 6 - timber length, m.

How much material will "fit" in one cubic meter in this case can be found by dividing the cubic meter by the volume of one bar:

Where, 1 - one cubic meter, m³;

0.09 - the calculated volume of one bar 100x150x6000, m³.

The characteristic shape of the section of the bar 100x150

So you can easily calculate how many pieces of timber are in the purchased volume of material by multiplying the number of pieces by the number of cubes. For simplicity and speed of counting, you can use the table: how many timber in a cube the table is 6 meters.

3. How many edged boards in 1 cube

The situation is similar in calculating the amount of edged boards in 1 cubic meter of wood. For example, the used board has the following parameters 100x25x6000 (width, height, length).

The volume of one board will be 0.015 m³.

V = 0.1 m * 0.025 m * 6 m = 0.015 m³

Quantity in 1 cube:

That is, there are at least 66 boards in a cubic meter. When buying a cube of edged boards 100x25x6000, you should get 67 pieces, rounding up. For example, buying three cubes should result in at least 201 pieces, and buying six - 401.

4. How many grooved floorboards in 1 cube

For better installation, sheet piling has a groove along its entire length on one side and a tongue on the other. When calculating the volume of one board, its length, height and net width are taken into account, that is, the width without taking into account the protruding spike. For example, the size of the board shown in the figure below is 28x90 mm.

Grooved floor board

With a board length of 6 meters, its volume will be:

V = 0.09 m * 0.028 m * 6 m = 0.01512 m³

Quantity in 1 cube:

5. How many wooden lining in 1 cube

By design, the lining vaguely resembles a tongue-and-groove floor board. It also has a tongue-and-groove connection, ventilation grooves, but the front side of the lining can have bevels, roundings and even a convex surface, imitating a bar.

For the calculation, the "net" width is used, that is, the size excluding the spike, the maximum value in the section of the board is taken as the height.

Types of lining with a clear example of measuring the width and height of the board

The most common lining size is 100x14. With a board length of 6 meters, the number of lining in one cube will be at least 119 pieces:

Volume of one board:

V = 0.1 m * 0.014 m * 6 m = 0.0084 m³

Quantity in 1 cube:

On our website you can familiarize yourself with the most popular projects of houses made of profiled timber from construction companies presented at the exhibition of houses "Low-rise Country".

What else to consider when counting lumber

One of the nuances in the production of lumber is their technological length, that is, the declared six-meter board in practice turns out to be 5-10 cm longer. This deviation is called technological and is not taken into account when calculating the running meters of the board. The seller in no way has the right to add them to the total length of the board.

When buying a bar of a certain section, it is important to measure the parameters during acceptance or loading, since the slightest deviation, even 1 cm, leads to huge losses, especially with large purchase volumes.

In addition to the volume, it is important to remember about the weight of the purchased material, which depends on the density of the material and moisture content.

An example of calculating the weight of a bar based on the known density of a tree (for material of different moisture content, the corresponding values ​​must be substituted instead of 860)

Tables for quick calculation of the volume of the cant

Below are cheat sheets to quickly find out how much timber is in a cube - the table contains not only the quantitative values ​​of units of material in a cubic meter, but also the volumetric values ​​of beams of different sections. For example, the table will show how many boards are in a cube - 6 meters or 3 meters long will be a board or timber.

1. How much timber is 3 meters long in a cubic meter

	How many pieces per cubic meter	Volume of one piece, m³

2. How much timber is 6 meters long in a cubic meter

Height, width and length of timber, mm	How many pieces per cubic meter	Volume of one piece, m³

If you need to find, for example, how many 100x100 timber in a cube, then in the table we look for a board of the required size and we see the result - at least 16.67 pieces, and the volume of one timber 6 meters long is 0.06 m³.

On our website you can find contacts of construction companies that offer a house design service. You can communicate directly with representatives by visiting the Low-Rise Country exhibition of houses.

3. How many boards are 2 meters long in a cubic meter

	How many pieces per cubic meter		Volume of one board, m³	The area of ​​one board, m2

4. How many boards are 3 meters long in a cubic meter

Height, width and length of the board, mm	How many pieces per cubic meter	How many running meters in one cubic meter	Volume of one board, m³	The area of ​​one board, m2

5. How many boards are 6 meters long in a cubic meter

The approximate number of boards in a cube, a 6 meter table shows the following:

Height, width and length of the board, mm	How many pieces per cubic meter	How many running meters in one cubic meter	Volume of one board, m³	The area of ​​one board, m2

When transporting materials, it is important to know not only the length of a unit of the product, but also the total weight of the transported cargo, since the carrying capacity of the vehicle is limited by its design features.

6. How much timber is 150x150 in a cubic meter - calculations of weight and volume

Height, width and length of timber, mm	How many pieces per cubic meter	How many running meters in one cubic meter	Volume of one piece, m³	Weight of one piece, kg (moisture 20%)

Video description

For an example of calculation, see the following video:

Estimated difference in price of timber 150x150 in different regions

The cost of timber depends on the region of the country, wood species, material moisture, delivery method and many other factors. For comparison, data was taken for a bar 150x150x6000. The breed of material is pine. The cost of one cube is shown in the table.

Table. The cost of 1 cube of timber is 150x150x6000 (pine), depending on the region.

Video description

What to look for when buying, see the following video:

Features of storage of lumber

To build a house made of wood, it is important to store the material correctly so that its moisture content is within 12%, if the moisture content is higher, then the shrinkage of the building will take place more slowly.

Here are a few rules to remember when storing lumber:

The storage area must be level and dry.

To prevent the ingress of moisture from the surface onto the site, pallets are placed under the first layer of material, which can be replaced with cut boards or sleepers.

The distance between individual items should be kept within at least 2 cm for better air circulation.

After 1-2 rows, crossbeams are placed across the length, which can be all the same trims of boards.

If it is not possible to erect a canopy above the storage area to prevent the ingress of atmospheric precipitation, the stacks are covered with foil, excluding wrapping the ends, so as not to create a greenhouse effect inside.

Wood stacked for storage

Conclusion

Knowledge of the rules for calculating the required volume of building materials will help save time and money, or simply make sure that the developer is honest. Therefore, if you do not have the skills to quickly translate some values ​​into others, then when discussing the required amount of building materials, you must keep at least a cheat sheet in the form of a cubic table with you.

We will send the material to you by e-mail

Starting construction, any home craftsman is once faced with the need to purchase boards. And this is where the fun begins. Having calculated the necessary square by the width and length, the beginner grabs his head - what to do? After all, such material in construction markets is sold by volume, and not by area. Today we will try to figure out how many boards are in a cube (a table of average values ​​will also be provided by us) and how to make all the calculations on our own. There will also be an online calculator at the end of the article, which will allow you to perform all the necessary calculations without unnecessary problems.

It is important to know not only the size of the lumber, but also its volume.

Everyone understands that how many cubic meters will be needed for a particular construction will depend on the shape and size of the lumber. But first you need to understand what types and types of material can be found. The main ones are:

• Edged timber;
• Sliced ​​timber;
• Sliced ​​bar;
• Edged bar;
• Edged and floor boards;
• Unedged materials.

Each of these types has its own characteristics and is used in its own field. For example, you can't build a frame without it, but sheathe a wall with it is the height of irrationality. For this, now we will consider each of these types separately.

Edged timber and its areas of application

Edged timber is used in cases where aesthetics are not so important in appearance. It can have cracks that appear during the drying process after processing. It is made by cutting out the central part from a regular log, and only after that it undergoes minimal drying. Such lumber, although considered expensive, is still cheaper than planed products.

Sliced ​​timber: what are its differences from edged

The differences are fundamental. If for the manufacture of the previous version no preparation of the log is required, then for the planed one it is pre-dried, and only after that it goes to the sawmill. The surface of such a product is smooth and polished. A beam of this type can even become a good decor element. Simply put, if it is necessary to erect walls for finishing, an edged beam is purchased, but a planed one does not require finishing. It can be simply varnished. If we talk about strength, then it is less for a planed product.

Sliced ​​bar - what are its differences from a bar

In essence, they are one and the same, the difference here is only in size. The bar has a lower rib height, which means that it is not suitable for the construction of frames of buildings or residential buildings. More often this material is used for decorative purposes. It also finds application in the installation of frames for interior decoration of premises or reinforcing lintels of various wooden panels. The difference between edged and planed timber and the same types of timber is the same.

Edged and floorboard: their features and differences

The differences between these lumber are also noticeable at first glance. The edged board is not cut. It has an even shape, but, at the same time, it is in no way suitable for fine finishing. In contrast, the genital has three smoothly processed edges (except for the lower wide one) and often has a groove on one side on the narrow sides and a spike on the other. This is done to make them more tightly connected to each other, as well as to reduce loads and eliminate deformation of the floor during operation.

Unedged materials - what they are

These are the cheapest items. When sawing a log, only two opposite sides are cut. Thus, the edges of the boards are uneven. Most often, such lumber is used for rough construction.

How many boards per cubic meter: table of standard sizes

Some people ask an interesting question - how many square meters are in a cube. In fact, it cannot be answered! Indeed, in order to determine this, you must at least know the thickness of the board. Without this parameter, no calculations will work. Let's try to figure out how to calculate the cubic capacity.

It does not present any big difficulties, but it requires care. We need to understand how many boards are in the cube. And for this you need to calculate the cubic capacity of one of them by size. For example, a board with a section of 1000x250 mm and a length of 4 m.Then the calculations, after converting the units of measurement into meters, will be as follows: 0.1 × 0.025 × 4 = 0.01 m 3. This will be the answer to the question of how to calculate the cubic capacity of the board.

How many boards in a cube: table of average values

For example, there are boards with certain dimensions. How to calculate a cube of such lumber by the number of boards? You can use the following table:

Board size, mm	Volume of 1 board, m3	Number of boards in 1 m3, pcs	Overpayment amount rounded down,%
25x150x4000	0,015	66,7	1
40x150x4000	0,024	41,6	0,7
20x100x6000	0,012	83,3	2,8
25x100x6000	0,15	66,7	1
40x100x6000	0,024	41,6	0,7
50x100x6000	0,03	33,3	1
25x150x6000	0,025	44,4	1
30x150x6000	0,027	37,04	0,01
40x150x6000	0,036	27,8	2,9
50x150x6000	0,045	22,2	0,9
25x200x6000	0,03	33,3	1
40x200x6000	0,048	20,8	3,8
50x200x6000	0,06	16,7	4,2

It's important to know! To calculate how many square meters are in a cubic meter, you need to know all the dimensions of the board. Without information about the length, width and thickness, nothing will work.

Average values ​​of weight at different humidity

Breed name	Raw, kg / m3	Dry, kg / m3
Birch	880	650
Oak	990	720
Spruce	710	450
Cedar	700	440
Larch	840	670
Linden	750	500
Aspen	750	500
Pine	810	510
Ash	960	700

It turns out that one cube of ash will be much heavier than the same volume of linden. This should be borne in mind when planning transportation.

How to correctly calculate the amount of material

Let's consider how to correctly calculate how many pieces of boards will be in one cubic meter. This is done using the following formula:

1 m 3 / (L × h × b) = N pieces , where

• L - the length of the board;
• h - width;
• b - thickness.

As you can see, the calculations are not at all complicated.

Useful information! If they say that an inch board is needed, its size will be as follows: width - 75-250 mm, length - 2000-6000 mm, but the thickness is always standard - 25 mm. Often this size name can be heard in the construction markets.

Board cubic meter calculator or how to make calculations easier

The very algorithm of actions how to calculate a cubic meter by quantity is probably now clear. But there is not always a desire to engage in various calculations. And it's quite easy to make a mistake here. Now we will tell you how to calculate a cube board without making complex calculations.

For such cases, there are special programs called cubic meter calculators. How are they convenient? The main convenience of such programs is their accuracy. The calculator for calculating a board in a cube is devoid of the human factor, which excludes the possibility of errors in the calculation process. Another rather weighty argument in its favor is the speed of computing. You just need to enter the correct data in the appropriate fields and click on the "calculate" button. Nothing more is required from the user. The online calculator of planks in a cube will instantly give a result for the number.

When starting the construction or repair of a wooden house, you have to purchase various boards, while the buyer knows the total length, but the seller releases the lumber by volume. This article will help you to correctly determine the number of any boards in one cubic meter, which will avoid purchasing too much lumber.

How to calculate the volume of edged boards

Determination of the volume of one board is done in the same way that was used at school - by multiplying the length by width and thickness. Or by multiplying the width by the length and thickness. It doesn't matter in what order you multiply the board sizes, the result will always be the same. For example, a standard "fifty" board has the following dimensions:

• length 6 meters;
• width 20 centimeters;
• thickness 5 centimeters.

To facilitate multiplication, it is necessary to bring all dimensions to common units - meters or centimeters. It is easier to carry out these calculations in meters, then you do not have to divide the resulting number by a million to convert it to cubic meters.

1. As a result of multiplication, we get the volume of one board 0.06 cubic meters.
2. After that, we divide the unit by 0.06 and we get the number of boards in one cubic meter.
3. We get the number 16.6666, which must be rounded to the nearest whole, that is, up to 16, which will be the number of "fifty" boards in one cubic meter. It is always necessary to round down, because some of the boards may turn out to be slightly wider or thicker, they may be loosely laid, or several boards from the package will be twisted. If all the boards turn out to be normal, then fractions can also be taken into account, this is especially true for a thick bar.

Volume Standard Values ​​Table

For your convenience, we have created a table with the most common sizes of boards and beams, as well as their number in one cubic meter.

Size in millimeters	The volume of one board is cubic meters.	Number of boards in one cubic meter