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Block Calculator

Estimate the number of concrete blocks for a wall, including the cement and sand for the mortar joints.

Enter your details

in
%
Allowance for spillage, cutting and breakage.

SARZAMEEN Tools | Block Calculator

Estimate generated 18 Oct 2026 | https://www.property.candletrack.pro/public/buildcraft/tool/block-calculator

Results

Enter your values and press Calculate. Results will appear here and update as you change inputs.

    Results are estimates, not quotations. Confirm quantities and prices with your contractor or supplier.

    How this calculator works

    • Each block occupies its face size plus one mortar joint.
    • Mortar volume = wall volume minus block volume.

    Frequently asked questions

    About 1.1 blocks per square foot of wall face, depending on the joint thickness.

    A 3% to 5% allowance for breakage and cutting is typical.

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