How to calculate block wall height

Written by dan chruscinski
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How to calculate block wall height
Use the bricks and cement to calculate the height of a block wall. (Architectural joint - old stone wall and new brick wall image by astoria from

Measuring the height of a block wall is not as simple as counting the blocks in a column and multiplying by the height of each brick. The true height must also take into account the concrete or adhesive used to secure the bricks together as they extend upwards. To calculate block wall height, you will need to combine the total width of your blocks and the total width of your adhesive. You do not need to measure the entire wall, just one small section will give you the data that you need for the calculation.

Skill level:

Things you need

  • Tape measure
  • Calculator
  • Binoculars

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  1. 1

    Measure the vertical height of one block on the wall. Write down this information in inches. For example, the height of a single block may be 5 inches.

  2. 2

    Measure the width of the adhesive between the top of one block and the bottom of an adjacent block. Think of this as the space between the blocks of the wall. For example, the width may be 1 inch.

  3. 3

    Count the number of rows of bricks on the wall from bottom to top. If the wall is very tall, use binoculars to view the higher rows. There may be 50 rows, for example.

  4. 4

    Examine the top row of bricks and check to see if there is any adhesive along the top of the wall. This might be present if the wall connects to a ceiling.

  5. 5

    Subtract one from the total number of rows of bricks to get the rows of adhesive if there is none at the top of the wall. If there is adhesive, then the rows of adhesive are equal to the rows of bricks.

  6. 6

    Multiply the number of rows of bricks by the height of one brick. To demonstrate using the data in the examples, multiply 50 bricks by 5 inches for a total of 250 inches.

  7. 7

    Multiply the number of rows of adhesive by the width of one row of adhesive. For example, 50 rows of adhesive multiplied by 1 inch equals 50 inches.

  8. 8

    Add together the total width of your blocks and adhesive for the final result. For example, 250 inches plus 50 inches equals a total block wall height of 300 inches.

  9. 9

    Divide your total inches by 12 to simplify the answer into feet. For example, 300 inches divided by 12 equals 25 feet.

Tips and warnings

  • If the blocks have no gaps between them with visible adhesive, the height of the block wall is the height of one block multiplied by the total number of rows of blocks.

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