2023 Author: Philip Bishop  [email protected]. Last modified: 20230825 07:54
Before installing the flooring, it is necessary to level all the floors in the apartment or room. For floor screed, cementsand mortar is mainly used. To save the budget, it is necessary to correctly and accurately calculate the required amount of materials for the future mortar for the floor screed. The calculation can be done using the online floor screed calculator.
The values are in meters, note the thickness. Specify in this format (0.00 meters)
Room width  
Room length  
Screed height  
Cement  kg. 
Sand  kg. 
Water  l. 
Calculators from wpcalc.com
An example of calculating the amount of required materials.
To calculate the required volume of solution, we use the formula:
S × h = V
Where,
 S is the area of the room;
 H is the height of the required screed layer;
 V is the required volume of solution.
Using the above formula, we can calculate the required dry volume of the mixture. An important point in calculating the required volume of solution is the fact that the volume of a solution of cement, sand and water is less than the total volume of all ingredients. So from one kilogram of cementsand mixture, after adding water, 0.7 kg is obtained. solution. Thus, we obtain the formula for the volume of the required solution:
Dry mix volume / 0.7 = Required solution volume
Cement and sand are sold in bags per kilogram, so we need to calculate the amount of ingredients in kilograms.
Based on the fact that:
 one cubic meter of cementsand mixture weighs 1540 kg
 there is 1300 kg of substance in a cube of cement
 in a cube of sand  1625 kg
 The ratio of cement to sand in a solution is 1 to 3
 Generalized formulas for individual ingredients can be drawn up.
M c = (S × h / 0.7) × 325
M p = (S × h / 0.7) × 1220
Where,
 M c  the mass of the required cement;
 M p  the mass of the required sand;
 S is the surface area;
 h  layer height.
The bottom line. Using an online floor screed calculator in practice, you can avoid additional expenses and find out the amount of material.
Volume ratio table for different grades of concrete
Concrete, brand
Cement / sand / crushed stone ratio 

cement M 400 
cement M 500 

100 
1.0: 4.0: 6.0  1.0: 5.2: 7.0 
150  1.0: 3.1: 5.0  1.0: 4.0: 5.8 
200  1.0: 2.4: 4.1  1.0: 3.1: 4.8 
250  1.0: 1.8: 3.3  1.0: 2.4: 3.9 
300  1.0: 1.6: 3.2  1.0: 2.1: 3.6 
400  1.0: 1.1: 2.5  1.0: 1.4: 2.7 
450  1.0: 1.0: 2.1  1.0: 1.2: 2.4 
Solution grade 
Consumption rate of cement for the manufacture of 1m3 solution 

M400  M200  490 kg 
M500  M200  410 kg 
M400 
M150  400 Kg 
M500  M150  330 kg 
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