20 MM CEMENT PLASTER CALCULATOR

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Plaster Area Calculation

${\mathrm{PlasterArea\; =}}^{}{\mathrm{Length}}^{}{\times }^{}{\mathrm{Width}}^{}$

${\mathrm{Plaster\; Area\; =}}^{}{\mathrm{10}}^{}\times {\mathrm{10}}^{}$

${\mathrm{Plaster\; Area\; =}}^{}{\mathrm{100.00}}^{}{\mathrm{m2}}^{}$

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Material Calculation

Volume of Mortar = Area of Plaster x Thickness of Plaster

Note – Add 12% to fill up Joint and Cover the Surface

$\mathrm{Volume\; of\; Mortar\; =\; 2}\mathrm{.00}+(2.00\times 0.12)$

${\mathrm{Volume\; of\; Mortar\; =\; 2.24}}^{}{}^{}{\mathrm{m3}}^{}$

Volume of Mortar of 20 mm thick Cement Plaster (For 100 m2 Surface)  = 2.24 m3

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(A) For 20mm Cement Plaster (1:6)

${\mathrm{Volume\; of\; Mortar\; =\; 2}}^{}{\mathrm{.24}}^{}{\mathrm{m3}}^{}$

$\mathrm{Dry\; Volume\; of\; Mortar\; =2}\mathrm{.24}+(2.24\times 0.25)$

Note – Increases by 25% of the Total Dry Volume
${\mathrm{Dry\; Volume\; of\; Mortar\; =\; 2.80}}^{}{\mathrm{m3}}^{}$         ————(For 100 m² Plaster Area)

For 1 m² Plaster Area = 2.80/100 = 0.028 m³ Dry Volume of Mortar Needed

Dry Volume of Mortar  of 20 mm thick Cement Plaster (For 1 m2 Surface)  = 0.0215 m2

Step 1: Amount of Cement Required

 

   

 

   

Cement Required = 0.004 m³

$\mathrm{No.\; of\; Cement\; Bag\; Require\; =}\mathrm{0.1153}\mathrm{Bags}$

$\mathrm{Require\; Cement\; in\; Kg\; =}5.76\mathrm{kg\; (0.00576\; tonne)}$

 

Step 2: Quantity of Coarse Sand Required

   

 

   

Coarse Sand Required = 0.024 m³

$\mathrm{Require\; Coarse\; Sand\; in\; Kg\; =}37.5\mathrm{kg\; (0.0375\; tonne)}$

Note: By considering dry density of sand = 1550 kg/m³

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(B) For 20mm Cement Plaster (1:5)

${\mathrm{Volume\; of\; Mortar\; =\; 2.24}}^{}{}^{}{\mathrm{m3}}^{}$

For Cement Mortar (1:5)

$\mathrm{Dry\; Volume\; of\; Mortar\; =2}\mathrm{.24}+(2.24\times 0.284)$

Note – Increases by 28.4% of the Total Dry Volume Cement Mortar (1:5) According to BCD Analysis Rates 2114 Cement Mortar (1:5) Corse Sand = 1.07 m3 Cement Required = 0.214 m3 (1.07/5) Then Total Volume = 1.07+0.214 = 1.284 m3

${\mathrm{Dry\; Volume\; of\; Mortar\; =\; 2.876}}^{}{}^{}{\mathrm{m3}}^{}$         ————(For 100 m² Plaster Area)

For 1 m² Plaster Area = 2.876/100 = 0.02876 m³ Dry Volume of Mortar Needed

Step 1: Amount of Cement Required

 

   

 

   

Cement Required = 0.004794 m³

$\mathrm{No.\; of\; Cement\; Bag\; Require\; =}\mathrm{0.138}\mathrm{Bags}$

$\mathrm{Require\; Cement\; in\; Kg\; =}6.9\mathrm{kg\; (0.0069\; tonne)}$

 

Step 2: Quantity of Coarse Sand Required

   

 

   

Coarse Sand Required = 0.0024 m³

$\mathrm{Require\; Coarse\; Sand\; in\; Kg\; =}37.5 kg\; (0.0375\; tonne)$

Note: By considering dry density of sand = 1550 kg/m³

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(C) For 20mm Cement Plaster (1:4)

${\mathrm{Volume\; of\; Mortar\; =\; 2.24}}^{}{}^{}{\mathrm{m3}}^{}$

For Cement Mortar (1:4)

$\mathrm{Dry\; Volume\; of\; Mortar\; =2}\mathrm{.24}+(2.24\times 0.34)$

Note – Increases by 34% of the Total Dry Volume Cement Mortar (1:4) According to BCD Analysis Rates 2113 Cement Mortar (1:4) Corse Sand = 1.07 m3 Cement Required = 0.2675 m3 (1.07/4) Then Total Volume = 1.07+0.2675 = 1.3375 m3

${\mathrm{Dry\; Volume\; of\; Mortar\; =\; 3.0016}}^{}{}^{}{\mathrm{m3}}^{}$         ————(For 100 m² Plaster Area)

For 1 m² Plaster Area = 3.0016/100 = 0.03 m³ Dry Volume of Mortar Needed

Step 1: Amount of Cement Required

 

   

 

   

Cement Required = 0.006 m³

$\mathrm{No.\; of\; Cement\; Bag\; Require\; =}\mathrm{0.173}\mathrm{Bags}$

$\mathrm{Require\; Cement\; in\; Kg\; =}8.64\mathrm{kg\; (0.00864\; tonne)}$

 

Step 2: Quantity of Coarse Sand Required

   

 

   

Coarse Sand Required = 0.024 m³

$\mathrm{Require\; Coarse\; Sand\; in\; Kg\; =}37.5 kg\; (0.0375\; tonne)$

Note: By considering dry density of sand = 1550 kg/m³

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(D) For 20mm Cement Plaster (1:3)

${\mathrm{Volume\; of\; Mortar\; =\; 2}}^{}{\mathrm{.24}}^{}{\mathrm{m3}}^{}$

For Cement Mortar (1:3)

$\mathrm{Dry\; Volume\; of\; Mortar\; =2}\mathrm{.24}+(2.24\times 0.427)$

Note – Increases by 42.7% of the Total Dry Volume Cement Mortar (1:4) According to BCD Analysis Rates 2114 Cement Mortar (1:3) Corse Sand = 1.07 m3 Cement Required = 0.357 m3 (1.07/3) Then Total Volume = 1.07+0.357 = 1.427 m3

${\mathrm{Dry\; Volume\; of\; Mortar\; =\; 3}}^{}{\mathrm{.196}}^{}{\mathrm{m3}}^{}$         ————(For 100 m² Plaster Area)

For 1 m² Plaster Area = 3.196/100 = 0.03196 m² Dry Volume of Mortar Needed

Step 1: Amount of Cement Required

 

   

 

   

Cement Required = 0.00799 m³

$\mathrm{No.\; of\; Cement\; Bag\; Require\; =}\mathrm{0.23}\mathrm{Bags}$

$\mathrm{Require\; Cement\; in\; Kg\; =}11.5\mathrm{kg\; (0.0115\; tonne)}$

 

Step 2: Quantity of Coarse Sand Required

   

 

   

Coarse Sand Required = 0.024 m³

$\mathrm{Require\; Coarse\; Sand\; in\; Kg\; =}37.5 kg\; (0.0375\; tonne)$

Note: By considering dry density of sand = 1550 kg/m³

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