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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.

Pakistan Lands Tools | Block Calculator

Estimate generated 17 Oct 2026 | https://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.

    Related tools

    Cement CalculatorEstimate the number of 50 kg cement bags for concrete or mortar work. Brick Mortar CalculatorCement and sand needed for the mortar joints of a brick wall. Roofing CalculatorCalculate sloped roof area and the sheets or tiles required. Brick CalculatorEstimate the number of bricks, cement and sand required for brick walls.