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Plaster Calculator

Enter the area and plaster thickness to get the cement bags and sand needed for your mortar mix.

Enter your details

1:4 is typical for walls, 1:3 for waterproof or exterior work.
%
Allowance for spillage, cutting and breakage.

Pakistan Lands Tools | Plaster Calculator

Estimate generated 17 Oct 2026 | https://property.candletrack.pro/public/buildcraft/tool/plaster-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

    • Dry mortar volume = wet volume × 1.33.
    • Surface unevenness can raise real thickness well above the nominal figure.

    Frequently asked questions

    About 12 mm (½ inch) is typical internally; external plaster is often 15 to 20 mm.

    Poor masonry can need 30% or more extra mortar. Increase wastage accordingly.

    Related tools

    Cement CalculatorEstimate the number of 50 kg cement bags for concrete or mortar work. Brick CalculatorEstimate the number of bricks, cement and sand required for brick walls. Brick Mortar CalculatorCement and sand needed for the mortar joints of a brick wall. Crush and Gravel CalculatorEstimate crush, gravel or coarse aggregate needed for concrete.