To estimate how many blocks you ll need per row divide the total length of the wall by the length of the block.
How many concrete blocks to build a wall calculator.
Calculate how many concrete blocks are needed for your project having a width and length of 5 ft and 7 ft.
If you re building a retaining wall then check out our retaining wall calculator.
Just enter the dimensions of your wall project and the concrete block calculator will figure out how many blocks are needed.
To calculate the total number of concrete blocks needed.
Make sure to account for the first row being half buried.
The concrete block calculators provide guidance to determine building materials required for construction projects.
In general block wastage is commonly between 15 for a hard block and 5 for softer ones.
Enter wall height in courses number of bond beams number of starter bars cores filled steel door frames standard 6 8 x 2 8 no lintel and number of wall ends.
Number of blocks wall area over block length mortar joint times block height mortar joint waste calculating the total cost of the blocks.
To figure out how many rows you ll need divide the ideal wall height by the height of the block.
Wall ends are the ends of walls that stand alone.