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Concrete block and brick calculator

Subtract openings, divide by the face module including a mortar joint, then allow for cuts and breakage.

Shopping estimate

Enter your measurements to see an estimate.

How it works

Subtract openings, divide by the face module including a mortar joint, then allow for cuts and breakage.

Worked example

Length
5 m
Height
2 m
Total opening area
2 m²
Block face length
39 cm
Block face height
19 cm
Joint width
1 cm
Waste allowance
0 %

Result 100 pieces

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