How many blocks do i need to contsruck a 6 4meter sq bedrooms a hall 6.5 meters by 5 3 toilets and a kitchen?

To estimate the number of blocks needed, you'll first need to calculate the total wall area for each room and then determine the number of blocks based on the size of the blocks you plan to use. For a rough estimate, consider the perimeter and height of the walls for each room, then sum these areas to find the total wall area. Finally, divide the total wall area by the area of one block to get the number of blocks required. It's recommended to consult a construction professional for precise calculations tailored to your specific project.