Bricks are the base for building. There is no replacement for them. Therefore it is essential to know the amount of brick that you will need them for the building of your projects. Normally, there is a simple way to calculate that, but you should pay attention to the openings, the thickness of the walls and the details in the walls. For the calculations you should multiply the square meters with 60. For the doors, you should multiply 1.2m x 2m. For windows we multiply 1.2m x 1.5m.
Bricks Calculations and Quantity
Finally, for the detailed ways to calculate this, watch the video.