Concrete Block Calculator

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Calculate concrete blocks required for a wall.

Blocks & AACWorking calculatorMobile friendly

Concrete Block CalculatorVisual reference for this tool.

Use this calculator for quick estimating and planning. Verify project-specific assumptions before final procurement or design.

Wall Area (m²)

Block Length (m)

Block Height (m)

Waste (%)

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Calculations run locally in your browser; no backend is required.

Blocks = Wall Area / Block Face Area

A 400 × 200 mm block covers 0.08 m² before joints.

For structural, electrical, code-compliance or safety-critical work, use this as a preliminary estimate and verify with a qualified professional.

Short answers for common estimation questions.

They are estimation values. Site conditions, product specifications and local practice can change final quantities.

Yes. Civil Micros is designed to work on mobile browsers without a backend.

Continue your calculation workflow.