How many number of bricks needed in 1 square meter?

Required of bricks in 1 square meter:

Generally, the size of bricks at site we found that, 230mm length, 115mm width, and 65mm thick. 

If we assume 10mm thick mortar then the nominal length will be 240mm and thickness will be 75mm.

Diamention change, mm to meter

Length=240mm=0.24m Thickness=75mm=0.075m

Now, we are calculating the area of 1 brick

                           = 0.240×0.75

                          = 0.01824  square meter

Now, we are find nos. of bricks in 1 square meter

Nos. of bricks= 1 square meter/ area of 1 brick

Nos. of bricks=1/0.01824=55.55~56 nos. 

If brick wall is 4 inch thick then,

Nos. of bricks in 1 square meter = 56 nos.

If brick wall is 9 inch thick then,

Nos. of bricks in 1 square meter = 112 nos. 

Variation in nos. bricks occure in following conditions:

The number of bricks in 1 square meter are varies on following factors:

The length of brick, thickness of brick and the thickness of mortar used in masonry work. 

If the size of bricks increased and the thickness of mortar used more than 10mm.

Then, the nos. of bricks can be decreased. 

In the other case

If the size of bricks decreased and the thickness of mortar used less than 10mm.

Then, the nos. of bricks can be increased.