Today we will discuss the easiest method to calculate the required number of bricks in a wall. So let’s start from the beginning.
Required Data
1. Volume of the wall.
2. Volume of a standard brick.
3. Details of openings in the wall.
1. First, calculate the volume of the wall to be built.

First bricks of new house. Brick wall foundation isolated 3l illustration

Let us assume,
The length of the wall (l) = 10 feet.
The height of the wall (h) = 10 feet.
Thickness of the wall (b) = 1 feet.
Calculate the volume of the wall by multiplying the length, height, and thickness.
Volume of the wall = l×h×b = 10×10×1 =100 Cu.F
2. Calculate the volume of the brick
The standard size of a brick (IS Standard) is 190 mm ×90 mm ×90 mm and
with the mortar joints, it becomes 200mm × 100 mm× 100 mm.
l = 200 mm= 0.656168 ft.
b = 100 mm =0.328084 ft.
h = 100 mm = 0.328084 ft.
∴ Volume of the brick = l× b×h = 0.656168× 0.328084× 0.328084 = 0.0706 Cu.F
3. To find out the total nos of bricks divide the volume of the wall by the volume of the brick.
∴ No. of bricks required = 100/0.0706 = 1416 no. of bricks.
1. Consider 10% wastages of bricks.
2. If the wall has any openings such as doors, windows, etc subtract the volume of the openings from the volume of the wall and then divide it by the volume of brick.
For more information watch this viseo 

How To Calculate Quantity Of Steel Per M³ For Slab, Lintel, Beam, Column, Foundation

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