Concrete Block Calculator: How Many CMU Blocks?
Your numbers
Wall length
ft
Wall height
ft
Openings (doors, windows)
sq ft
Total area to subtract.
Block face size (nominal)
16 × 8 in (standard 8×8×16)
16 × 4 in (half-height)
12 × 8 in
24 × 8 in (large)
Waste
%
Blocks per pallet
Ask your supplier (often 72–120).
Price per block
$
Calculate
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Result
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