Brick Calculator

Estimate total bricks, bricks per row, masonry rows, wall area, mortar volume, and waste allowance for a rectangular brick wall.

Inputs and method

Enter gross wall dimensions, one rectangular opening in the selected wall unit, all three brick dimensions, mortar-joint thickness, and waste. The calculator subtracts the opening, divides net face area by the entered brick-and-joint module, then applies waste before the whole-brick purchase ceiling. Row counts use the gross wall geometry. Approximate mortar volume is net wall volume at the entered brick depth minus the unrounded brick volume.

Calculations retain full floating-point precision until the labeled display step. Counts and packages use an explicit upward ceiling only where a whole purchase unit is required.

Interpreting the estimate

Use the result as a planning value and keep input precision consistent with the measurements or source data you have. Small displayed differences can come from final-place rounding; intermediate values are not rounded.

Assumptions and limits

Openings beyond the single entered rectangle, bond pattern, cuts, breakage, mortar depth, and field yield require a project takeoff. Product dimensions and field conditions vary.

Empty or invalid inputs, prohibited negatives, zero denominators, impossible relationships, and unsupported options do not produce a potentially misleading numeric result.

Sources

• Technical Notes — Brick Industry Association technical guidance on brick construction.
• 2021 International Residential Code — residential masonry requirements.