Calculate the volume of grout or fill material needed to fill the cores of CMU blocks in a wall.
Enter your values below
Total number of blocks in the wall.
Length of the block (face shell width).
Height of the block.
Thickness (depth) of the block.
Fraction of block cores to be filled (1 = full fill).
How this calculator works
Each block's core volume is estimated from its width, height, and thickness, then multiplied by the fill fraction and total block count.
Common questions about this calculator