Determine the number of CMU (Concrete Masonry Unit) blocks required for a wall based on wall dimensions and block size.
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Total horizontal length of the wall.
Total vertical height of the wall.
Length of a single CMU block.
Height of a single CMU block.
Thickness of the mortar joint between blocks.
How this calculator works
The wall area is divided by the effective face area of one block including the surrounding mortar joint.
Common questions about this calculator
