Multiply the height and length of the wall to find its surface area. Find the surface area of a single brick: multiply its length and height. Divide the area of the wall by the area of a brick, and round up to the next integer to find the exact number of bricks you’ll need.
How to Calculate Retaining Wall Block?
Calculating the number of retaining wall blocks you need for a project can seem like a daunting task, but it doesn’t have to be. With a few simple tools and a few calculations, you can easily determine the number of blocks you need to complete your project.
First, you need to determine the total length of the wall. Measure the area you want to build the wall along and add the two distances together. This will give you the total length of the wall.
Next, you need to determine the height of the wall. Measure the height of the area where you want the wall to be built, then add the height of the blocks you plan to use. The total height of the wall will be the height of the area plus the height of the blocks.
Now that you have the total length and total height of the wall, you can calculate the number of blocks needed. Divide the total length of the wall by the height of one block. This will give you the number of blocks needed along the length of the wall.
Next, divide the total height of the wall by the height of one block. This will give you the number of blocks needed along the height of the wall
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