# How to calculate cement and sand in plaster. Plastering calculation in sq ft

As Salaam alaikum dear students welcome back to civil Engineering zone YouTube channel. In today traffic we are going to study that how to calculate quantity uplaster. So dear students let us suppose we have a room.

The length of the room is 6 meter and total width of the room is also 6 meter. And dear students, the total height of the room is 4 meter. So dear students, if we are interested to calculate total quantity of external flaster for this room S First of all it is important to understand some basic concept related to flaster thickness, dear students remember.

Normally we provide the internal cluster of 12MM thickness and normally we provide the external cluster of 20MM thickness. So dear students if we are interested to calculate total quantity of external cluster, so first of all we calculate total external surface area of this room and then we multiply this total external surface area of the room.

With the total external flaster thickness, so we can get the total quantity of external flaster. So now your students for this external surface area calculation, First of all we calculate total surface area of this one one. So your students if you multiply total length of the wall with the total height of the wall so we can get the total surface area of this one. Now your students.

Remember the total number of all are four, so we multiply this total area with four so we can get the total external surface area of this room. Now dear students, remember we subtract the total door area from this total external surface area. So dear students let us suppose the width of the door is 1.5 meter and the total height of the door is 2.5 meter.

# calculate total

So your students to calculate total door area. If you multiply total weight with total height so we can get the total area of this door. So now your students if we take the total external surface area and we subtract the total door area so we can get the net external area of this room. Now your students we can easily calculate total quantity of external cluster.

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By taking total external surface area and total external flaster thickness which is 20MM. So we divide this 20MM by 1000 to convert into meter. So the students if we multiply these two term so we can get the total quantity of external cluster in term of cubic meter. OK now the students we convert this total volume of external flaster.

Dry volume by multiplying 1.27 with this volume so we can get the total dry volume of the external cluster in term of cubic meter. Now dear students if the total dry volume of the external cluster is 2.34 cubic meter and we use the same and same ratio of 1 ratio 4 where this one represents the total quantity of cement.

And four represent the total quantity absent. Now your students to calculate total quantity absent are same in this volume. So first of all we take sum up ratio by adding total quantity absent in total quantity absent so we can get the sum up ratio. So now your students in this total five parts. The one part represent total quantity absent. So what should be the total volume absent in this volume.

So your students if you multiply these two term so we can get the total volume of cement and term of cubic meter. Now dear students remember if you are interested to calculate this total volume in term of bags or in term of kg. So remember the weight of one bag of cement is 50 kg and the volume of 1 bag of cement is 0.03472 cubic meter.

# Plastering calculation in sq ft

So your students if we divide this volume by the volume of 1 big abscimen, so we can get the total number abscimen big OK and now your students. If you are interested to calculate total quantity absciend in this volume. So your students if in this total five parts, the four part represent the total quantity absent. So what should be the total quantity absciend in this volume?

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So your students if you multiply these two term so we can get the total quantity absent in this volume. So your students this is our today topic that how to calculate total quantity app cluster and how we can calculate total quantity absent and total quantity absent and those fluster so your students.

I hope you have learned something new from this lecture. If you have any question related to this topic, please comment on my channel. I will try to replay your answer so see you in next video. Thanks for watching Allah face.

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