How to calculate quantity of plaster for a wall

Get some useful construction tips for finding out the quantity of plaster for a wall. Here, the length of the wall is taken as 6 meter, height is taken as 3 meter and thickness is taken as 12 mm = 0.012 meter.

To work out the quantity of plaster, the following formula is used :-

Volume of plaster = L x h x thickness = 6 x 3 x 0.012 = 0.216 m3

This is the wet volume and it should be converted to dry volume with the following formula :-

Dry volume = Wet volume x 1.27 = 0.216 x 1.27 = 0.274 m3

Now the ratio of plaster is taken as 1 : 4 (1 = cement and 4 = sand) By summing up we get 5

Therefore, volume of cement = 1/5 x dry volume of plaster = 1/5 x 0.274 = 0.054 m3

In order to convert this volume into bags of cement i.e how many bags are necessary for this plaster, apply the following formula :-

0.054/0.035 (here 0.035 denotes cement bag volume in meter cube) = 1.56 No. of bags

To learn more, watch the following video.

Video Source: Civil Engineers

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