How to Calculate Cement, Sand Quantity for Plastering?

Mortar Calculation for Plastering work

Point Should Be Know Before Estimating 

Density of Cement                         = 1440 kg/m3

Sand Density                                   = 1450-1500 kg/m3

Density of Aggregate                   = 1450-1550 kg/m3

How many KG in 1 bag of cement  = 50kg

Cement quantity  in litres in 1 bag of cement     = 34.7 litres

1 Bag of cement in  cubic metres     = 0.0347 cubic meter

How many CFT (Cubic Feet)        = 1.226 CFT

Numbers of Bags in 1 cubic metre cement = 28.8 Bags

The specific gravity of cement           = 3.15

Grade of cement                            = 33, 43, 53

Where 33, 43, 53 compressive strength of cement in N/mm2

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Area of brick wall for plaster = 3m  3m =9m2plaster quantity

Plaster Thickness = 12mm (Outer-20mm, Inner 12mm)
Volume of mortar = 9m2 x 0.012m            = 0.108m3
Ratio for Plaster Taken is                               = 1 : 6
Sum of ratio is                                                   = 7

Calculation for Cement Volume

Dry Volume of Mortar = 0.108 x 1.35 = 0.1458 m3

Cement= (1/7) x 0.1458 = 0.0208 m3  

Density of Cement is 1440/m3

               = 0.0208 x 1440              = 29.99 kg

               We know each bag of cement is 50 kg

               = (29.99/50)        = 0.599 Bags

Calculation for Sand Volume

Sand = (6/7) x 0.1458      = 0.124m3

Density of Sand is 1450/m3

               = 0.0208 x 1450                = 181.2 kg

Now we find how many CFT (Cubic feet) Required

 As we know that 1m3 = 35.31 CFT

               = 0.124*35.31

               = 4.37 CFT (Cubic Feet)

Download Excel sheet Calculator For Plastering 

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How To Calculate Cement, Sand, & Aggregate Quantity In 1 Cubic meter Concrete

 

 

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20 Responses

  1. PRASHANT JOGDAND says:

    CALCULATOR FOR STEEL QTY

  2. Paul A. Subah says:

    good

  3. iswar says:

    excellent, sir
    awesome

  4. Alidu Alih says:

    The calculation is amazing; it quiet comprehensible, I really appreciate. Thanks.

  5. Sendil nathan says:

    How to calculate the steel? Steel calculation formula =( d×d)/164 . Example suppose d= 8mm , sol = 64/164= 0.392 . Any doubts please contact

  6. Rangoli says:

    Why multiplying 1.35 in dry volume calculation

  7. BHARAT G PIMPALKAR says:

    How much cement bags will be used for 20 cum plaster area

  8. Hamid Nazar says:

    Please Specify 1.35

  9. Alderson says:

    I want to know how to calculate the plasterwork of a round shape, repairing work type?

  10. You have explained it very easily.
    Step by step, Materials volume calculations and how to convert volume requirements to weight.
    Thanks for everything

  11. vignesh says:

    sand calculation wrong ( 01.24*1450) you mentioned ( 0.0208*1450)

  12. K vellaichamy says:

    How to calculate primer/paint/putty requirement for brick walls

  13. W.M.K.E.Weerasinghe says:

    chec sand volume.it should be 0.124.not 0.0208

  14. Ghando kromah says:

    Love this calculations

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