 Standard or nonstandard?
 A little "furniture" mathematics  we do the calculations correctly
To independently design a suite, it is extremely important to correctly calculate the dimensions of kitchen facades, because they largely depend on the configuration, the final price, the appearance and the correct opening and closing cabinets.
Standard or nonstandard?
So, if you are at the planning stage of the future kitchen, then, most likely, you already know what you have to buy ready fronts from any manufacturer, which will offer you products of nonstandard and standard dimensions. Before we start calculating and designing, let's see what the difference is between these categories.

Fronts of nonstandard sizes, that is, according to your calculations This option allows you to make the most efficient use of available space, optimize the filling of the kitchen set and realize nonstandard solutions, but overpayment for "nonstandard" will be 2530%, which is palpable, especially if you order facades with expensive facing. Of course, there are also limitations  one finished facade should not exceed 2520 * 920 mm and be less than 110 * 596 mm. Also keep in mind that "nonstandard" fronts are manufactured longer for 35 days.
 Fronts of standard sizes they are preferable to use because of, first, the lack of extra charge, and secondly, due to the fact that designing the cabinet and picking up the components will be somewhat easier. In addition, in recent years, manufacturers, following the demand of buyers, have begun to produce standard facades for kitchens with low or very high ceilings, so that, more often than not, you can go "the standard way in nothing losing.
Conclusion:it turns out that it is more profitable and easier to make a project, adjusting to the standard sizes of fronts as much as possible, but if necessary, ordering the production of products of nonstandard width / height.
 Why are "nonstandards" more expensive than "standards"? The fact is that the production of standard fronts is essentially a template and does not require reconfigurations of equipment, accordingly labor and time for their production is required less.
Below in the table are the sizes of blind doors, shop windows and facades for drawers.
.Standard facade dimensions for kitchen
Doors, deaf  Showcases  Boxes and cases  

Height  Width  Height  Width  Height  Width 
396  496  496  496  140  296 
396  596  596  596  140  346 
570  296  570  296  140  396 
570  346  570  346  140  446 
570  396  570  396  140  496 
570  446  570  446  140  596 
570  496  570  496  283  296 
570  596  570  596  283  346 
713  296  713  296  283  396 
713  346  713  346  283  446 
713  396  713  396  283  496 
713  446  713  446  283  596 
713  496  713  496  
713  596  713  596  110  596 
900  296  900  296  
900  346  900  346  
900  396  900  396  
900  446  900  446  
900  496  900  496  
920  296  920  296  
920  346  920  346  
920  396  920  396  
920  446  920  446  
920  496  920  496 
 Attention! At different manufacturers, the standard sizes are slightly different, so the exact parameters need to be specified. For example, fronts with a height of 716 mm are often manufactured instead of the 713 mm shown in the table.
 The given sizes are actual for any facades: wooden, from MDF, DSP, frame, etc.  in fact the main thing here is to keep the right proportions, so that the opening and closing and the appearance of the cabinets are correct.
A little "furniture" mathematics  we do the calculations correctly
Now we proceed to calculate the overall dimensions of the facades.
The general principle of calculation is simple: the width / height of the facade should be less than the width / height of the body, therefore, from any width / height of the body, it is necessary to subtract the technological gap:
 Facade height = body height  (minus) clearance;
 Facade width = body width  (minus) clearance;
The clearance can be 12 mm on each side, respectively 24 mm  the gap in general.
It would seem that everything is simple, but there are some nuances for some modules.
Keep in mind that for each module (especially for MDF fronts, since they can not be corrected) it is better to make separate calculations  so you will avoid irreparable errors.
And now let's consider these nuances on the example of a 700x400 mm module, with a total gap of 3 mm.
Nuance 1. How to calculate the width of the facade for a shell with two swing doors?
In this case, from the width of the housing, you need to subtract an additional 3 mm from the gap between the two swing doors. The following calculation is for one door:
 (40033) / 2 = 197 mm
Nuance 2. How to calculate the width of the facade for a building adjacent to the wall?
In case the case is adjacent to the wall, then from the width of the body you need to subtract 3 mm (for the gap against the wall) and, mm for the gap with the facade with the adjacent door. We think so:4003 mm mm = 39, mm.
Nuance 3. How to calculate the size of the facade for the lower shell, located under the table top?
If the table top has a drip tray, then the gap between it and the top edge of the facade should be 45 mm. If the drip tray is not provided, then the gap can be made 3 mm.
Nuance 4. How to calculate the height of the facade, located under / above the decorative cornice?
Here, from the height of the body, subtract 3 mm from the abutment to the upper cornice. If there is also a bottom cornice, then subtract another 3 mm (in general, 6 mm).
Nuance 5. How to calculate the sizes of fronts for boxes?
If several identical drawers are provided in one housing, the height of the lining can be calculated using the following formula:
 VK3 (x1) / x
If the case with drawers is located on the floor of the countertop, then we take into account in the calculation an additional gap:
 VK3x / x
Where:
 VK  the height of the shell;
 X is the number of boxes.
Let's give an example: if the height of the case is 860 mm, it has 4 drawers, and the case is located under the countertop, then we get this calculation:
 8603 × 4/4 = 212 mm
If it is assumed that the boxes have different heights, the calculation must take into account the height of each box, the number of boxes in the casing and the gap.
To calculate the width of boxlike facades the same principles are used as for doors.
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