Calculation of the quantity of bricks | Calculation of the quantity of bricks per m3 | Calculation of the quantity of bricks per m2. Standard size of brick.

Bricks serve as economic building material and there is a wide range of construction application for many types of Residential, Public and industrial building. Due to sturdy and long lasting building material, architect and Engineer will recommended for house construction, retaining wall, security barriers etc and this is best choice.

For a brick wall, the number of bricks you will need will depend on the size of wall and wether it is single or double skin wall and surface area of imperial brick.

A standard nominal size of brick measures 200 x 100 x 100mm, with mortar joints of 10mm, vertically and horizontally. Bricks are produced in a broad range of sizes, but for general building work the most commonly used is referred to as a standard brick and measures 200mm x 100mm x 100mm.

The bricks you choose and the type of structure you will be building can dramatically impact the quantity you need. To help you, below is a list of common wall types.

Actual size of french bricks measure 215× 102.5× 65mm (8 1/”× 4″ × 2 1/4″), taking mortar joints 10mm.

The bricks you choose and the type of structure you will be building can dramatically impact the quantity you need. To help you, below is a list of common wall types.

Half-Brick Thick Walls: A half-brick thick wall (or single layer) has a width equal to the width of one brick. One-Brick Thick Walls:- A one-brick thick (or two layers) wall is as wide as the long edge of a brick, making your wall 215mm wide (standard UK brick size).

**Calculation of the quantity of bricks**

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Quantity of bricks calculated in per cubic meter, per square feet, per square meter and per cubic feet. For calculation here we follow size of brick measure 215× 102.5× 65mm, and mortar joints 10mm.

Calculation of the quantity of bricks required following data: 1) Length of brick wall, 2) height of brick wall, 3) thickness of brick wall, 4) surface area of brick wall with mortar joints.

**Number of bricks per m3**

To calculate number of bricks per m3, add mortar joints size to brick, convert all dimensions in meter, multiply the length, width and thickness of one brick to get volume of a brick in cubic meter. Divide 1m3 by volume of a brick. Lets follow the steps:

● Step 1) Mortar joints 10mm, nominal dimensions of brick, Length = 215 +10= 225mm, Height = 102.5 + 10 = 112.5mm, and width = 65 +10 = 75mm.

● Step 2) Convert all dimensions in meter, Length= 0.225m, height = 0.1125mm, width= 0.075mm

● Volume of brick with mortar joints = Length × Height × Width, 0.225m× 0.1125mm× 0.075mm = 0.00189m3

● Number of bricks per m3 = 1m3 ÷ 0.00189m3 = 527 nos bricks.

There are 527 nos of bricks per m3. To calculate number of bricks in 1 cubic meter (1m3), you divide 1m3 of brick wall by volume of one brick. Such as number of bricks per cubic meter = 1m3 ÷ 0.00189m3 = 527 nos bricks.

**Number of bricks per m2**

To calculate number of the Standard metric size (215mm x 102.5mm x 65mm) brick per m2 you need, multiply the length (in meter) and thickness (in meter) of a brick to figure surface area of brick in square meter, divide the area of 1 square meter of wall by area of brick in m2, resulting figure will be number of bricks per m2. Add 5% – 10% additional bricks for accurate estimate.

Formula to calculate number of bricks per m2, you will need: Number of bricks = Square meter of brick wall ÷ Surface area of one brick. Given half brick wall area = 1m2, one standard brick area with mortar joints 10mm = 0.225m × 0.075m = 0.0169m2, number of bricks = 1/ 0.0169 = 60 nos bricks

Procedure to calculate number of bricks per square meter for Half-Brick Thick Walls (single layer) are following:

● Step 1) Determine the surface area of standard UK metric brick in square meter, which is W225mm x H75mm (10mm mortar joints included), Area = 0.225m × 0.075m = 0.0169m2,

● Step 2) To determining the number of bricks per m2 for Half-Brick Thick Walls (single layer), you will need, divide the surface area of brick wall (1m2) by surface area of one brick in m2, such as number of bricks per m2 = 1/ 0.0169 = 60 nos bricks.

● Step 3) Add 5% – 10% additional bricks (5% of 60 = 3 nos, 60 + 3 = 63 nos bricks, thus you will need approximately 63 nos bricks per m2 for Half-Brick Thick Walls (single layer).

Generally, there are 60 bricks per square metre if you are building a half-brick wall or a one layer wall. Or if you are building a one-brick wall or two-layer wall, then there are 120 bricks required per square metre.

**Calculation of the quantity of bricks for brick wall**

To calculate the quantity of bricks in brick wall, 1) you need to multiply the length (in meter) and thickness (in meter) of a brick with mortar joints to figure surface area of brick in square meter, 2) multiply length and height to calculate surface area of brick wall, 3) divide the area of brick wall by area of brick, resulting figure will be number of bricks in wall. Add 5% – 10% additional bricks for accurate estimate.

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**For example: Calculate the quantity of bricks for wall which are 5m in length and 3m in height.**

● Step 1) Surface area of a brick with mortar joints = W225mm x H75mm (10mm mortar joints included), Area = 0.225m × 0.075m = 0.0169m2.

● Step 2) Surface area of brick wall = Length × Height = 5m × 3m = 15m2

● Step 3) Number of bricks in wall = Surface area of brick wall ÷ Surface area of a brick with mortar joints = 15m2/ 0.0169m2 = 888 bricks.

● Add 5%- 10% extra as wastage, 5% of 888 = 45, add this 888 + 45 = 933 nos, nearly 930 nos bricks required to build 15m3 wall.

**Conclusion:**

Calculation of the quantity of bricks for wall, you need to divide the area of brick wall by surface area of brick with mortar, resulting figure will be number of bricks in wall. Add 5% – 10% additional bricks for accurate estimate.