Estimate the volume of mortar needed to lay a given number of bricks or blocks based on unit dimensions and joint thickness.
Enter your values below
Total number of bricks or blocks in the wall.
Length of a single block.
Height of a single block.
Width (depth) of the block, i.e. wall thickness.
Thickness of the mortar joint.
How this calculator works
Calculates the total volume of mortar joints by finding the difference between the effective area (with mortar) and the net area of each unit, multiplied by the wall width and unit count.
Common questions about this calculator
