Q:
# How can the amount of concrete blocks needed for a project be calculated?

A:
### Quick Answer

**Calculate the number of concrete blocks needed for a project by determining the number of blocks to complete a row and the rows to reach the desired height.** Standard blocks are 8 inches by 16 inches, including the mortar joints.

To determine the number of blocks per row, a mason first measures the length of a wall in feet. He rounds any measurements over an even foot to the next number and determines the number of blocks each row requires by multiplying the measurement by 0.75. He calculates the number of rows by multiplying the height of the wall by 1.5. The total number of blocks to complete the project is the product of the blocks in a row times the number of rows. Concrete block suppliers recommend adding 5 to 10 percent to account for breakage and errors.

Manufacturers state the size of the block using width by height by length, so a 6 x 8 x 16 concrete block has a face size of 8 inches high and 16 inches long with a 6-inch width. While the face size remains the same for most concrete blocks, thickness varies but does not affect the number of blocks needed. If using blocks with a nonstandard face size, the mason converts the factors by dividing both height and width by 12.

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Q:
## What are some benefits of textured concrete blocks?

A:One benefit of textured concrete blocks is that they give the wall more decorative flair. Another benefit of using textured concrete is that it has more stability than brick or another material would allow for, making the area more weatherproof and hazard-proof.

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Q:
## How do you build a cinder block fence?

A:In order to build a cinder block fence, prepare a stable footing, outline the fence with snap chalk, mortar the first row of blocks and then continue to stack the blocks to the desired height. Smooth any excess mortar along the sides of the wall.

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Q:
## What is the standard size of a concrete block?

A:Concrete blocks, also known as concrete masonry units, cinder blocks and breeze blocks, come in a number of sizes, depending on the country of origin. Standard U.S. blocks, used throughout most of the world, are 16 inches long by 8 inches wide by 8 inches tall.

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Q:
## How is the price per yard for concrete determined?

A:The price per cubic yard of concrete is determined by multiplying the desired finished length, width and depth of the concrete and dividing that number by 27. This depends on the type of concrete being used, how much is required and whether it is delivered, according to Family Handy Man.

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