Calculate the number of Concrete Masonry Units (CMUs) required based on total wall area and individual block face area.
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Total surface area of the wall.
Face area of one CMU block (e.g. 16×8 in = 0.89 sq ft).
How this calculator works
The total wall area in square feet is divided by the face area of a single CMU block (in square feet) to yield the required count.
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