Block Calculator

Calculate blocks, mortar, costs and layout for concrete block walls

Wall Length (m)

Wall Height (m)

Block Type

Mortar Thickness (mm)

Wastage (%)(Extra blocks)

Openings Area (m²)(Windows/Doors)

Block Cost ($)(Per block)

Mortar Cost ($/m³)

Labor Cost ($/m²)

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Quick Tips

1Use appropriate units and conversion factors
2Consider safety margins in calculations
3Document your calculation assumptions
4Verify results with alternative methods