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Concrete Block Calculator

Provide the dimension of the wall to this cmu block calculator and calculate the number of blocks you need to build it.

Wall Height :

cm ▾

Wall Width :

cm ▾

Single Block Size :

Select Block's Price:

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Find out the number of concrete blocks you need to build a wall within seconds by using this simple concrete block calculator.

Why Use Concrete Blocks?

The other name for concrete blocks is gray blocks or Concrete Masonry Units (CMUs). They are very beneficial for construction projects.

Below we have mentioned some benefits of concrete blocks:

Lightweight
Durable and long life
Fire resistant
They can withstand storms, high winds, etc.
They can be easily modified as per the need
Easy to install

Therefore, concrete bricks are widely used in construction projects.

How Do You Calculate How Many Concrete Blocks You Need?

Let’s take a look at the following steps to know the number of blocks you need:

Determine the dimensions of the wall (height and width)
Multiply the height and width of the wall to calculate the total wall area

Wall Area = Wall Width x Wall Height

Calculate the block area by multiplying the height and width of the block

Block Area = Block Width x Block Height

Now to find the number of blocks divide the wall area by the block area

Number of Blocks = Wall Area / Block Area

To find out the total price of the blocks, multiply the price of each block by the total number of blocks

Price of Blocks = Price of Each Block x Number of Blocks

Rather than doing this long calculation manually, simply use a concrete block calculator to instantly calculate the number of blocks you will need to construct a specific wall.

Example:

Suppose you want to build a wall that is 35 ft wide and 14 ft high. How many concrete blocks will you need?

Solution:

Given that:

Wall Height = 14 ft

Wall Width = 35 ft

Concrete Block Standard Size = 16” x 8” = 128 in²

Block Area = 128 in²

Wall Area = Wall Width x Wall Height

Wall Area = 35 x 14 = 490 ft²

Now convert the wall area into square inches:

Wall Area = 490 x 12 x 12 = 70,560 in²

Number of Blocks = Wall Area / Block Area

Number of Blocks = 70,560 / 128 = 551.25

Since blocks cannot be used in fractions, round up to the nearest whole number.

Number of Blocks = 552

If this seems difficult, then get the assistance of an online CMU calculator. This will let you perform the block wall calculations quickly and accurately.

How Does Our Concrete Block Calculator Work?

What Do You Need To Enter?

Wall Width
Wall Height
Single Block Size
Single Block’s Price

This is What You Will Get!

Number of blocks needed: This cinder block calculator for walls allows you to calculate the number of blocks that you will need to complete a wall of specific dimensions.
Wall Area: It also calculates the wall area and cost of blocks by just entering a few simple inputs. The standard block size is taken as 16” x 8”.
Standard bags of mortar: The number of mortar bags needed is also displayed so that you can make the right purchase as per your requirement.

Our cinder block wall calculator provides you with a precise estimation so that you can purchase the right quantity of blocks for your construction process and avoid any shortage of concrete blocks.

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