Calculation Cement Mortar & Brick quantity for 1 square ft wall

by interpolating you easily find Quantity of cement In 1 square feet 9 inch wall required 1.45 KG Mortar required

Calculation of "CEMENT" is one of the important parts of Estimation of material and for the Expected cost...

So today I will tell you the simplest way to find Mortar quantity used for brickwork...

Steps for calculation

example wall height 1 ft, length 1 ft, with 9 inch

1]   Volume of Bricks ( for which you want to find nos. of bricks)

• 9" x 4.5" x 3" size of brick which used in site or work in India
NOTE:- ( not ordinary brick which mention in the book... on-site ordinary bricks never used but                              calculation is same for all size brick)

• with mortar of 12mm size of brick = 9.5" x 5" x 3.5"

Area of Brick = l * b * h

= 9.5 * 5 * 3.5

= 166.25 cubic inch

= 0.09620 cubic feet

2]   Volume of wall ( for which you want to find nos. of bricks)

for example wall height 1 ft, length 1 ft, with 9 inch

Area of wall = h * l *b

= 1 * 1 * ( 9/12)

= 0.75 cubic feet

4]   Numbers of bricks

No. of brick = wall area / brick area with mortar

= 0.75 / 0.09620

= 7.79 = 8 nos. of brick

(Note This point... by interpolating you easily find numbers of bricks)

5]   Volume of bricks without mortar

Area of Brick = l * b * h

= 9 * 4.5 * 3

= 121.5 cubic inch

= 0.07031 cubic feet

6]   find Volume of Mortar

The volume of mortar = area of the wall - an area of brick without mortar

=  0.75 - (0.07031 * 8)

=  0.75 - 0.56248

= 0.18752 cubic feet

= 0.005315 cubic meters ( Wet volume )

NOTE :- 0.33% volume of mortar increase when wet volume convert into dry volume

= 0.007069 cubic meter ( Dry volume )

(Note This point... by interpolating you easily find the volume of mortar)

7]   find the quantity of cement

Quantity of Cement = Mortar volume * cement ratio * density of cement

= 0.007069 * (1/7) *1440

= 1.454 Kg = 1.5 KG

(Note This point... by interpolating you easily find Quantity of cement)

In 1 square feet 9 inch wall required 1.45 KGMortar required

For Video Tutorial

How To Calculate Number Of Bricks, Cement And Sand For Brickwork

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