Brick and Mortar Quantity Calculator
Estimate whole bricks and geometric mortar volume for a single-wythe wall from actual brick dimensions, uniform joints and opening area.
YOUR CALCULATION
Result
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Calculation steps
Work through one step at a time or reveal the complete calculation. The steps use your current inputs.
How to calculate
Divide net wall face area by repeating brick-and-joint face area, then subtract brick material volume from a single-wythe wall volume.
Brick equivalents=net area/[(L+j)(H+j)]; mortar=net area×depth−brick equivalents×L×H×depth
Worked example
A 10 m² wall using 200 × 60 × 100 mm bricks with 10 mm joints has about 680.272 brick equivalents. With 5% extra, purchase count is 715 bricks.
Assumptions and input details
One wythe of actual brick-depth thickness with a repeating rectangular module. Theoretical equivalents allow partial bricks; purchase count rounds upward. Edge joints, bond patterns, cuts, brick frogs/perforations, reinforcement and absorption are excluded. Mortar volume is placed geometric joint space, not dry mix quantity, mix design or structural approval.
Unit definitions
Unit selection is independent of language. Each selector contains only units for its physical quantity. Calculations use defined base units internally.
Choose from 23 length definitions, including explicitly labelled regional measures. Area conversions square the length factor; geometric volumes cube it.
Regional measures are not interchangeable merely because their names look similar. This is a documented selection, not a claim to include every historical unit.
NIST measurement tables · Japanese traditional units · Mainland China and Hong Kong unit distinctions
Using this calculator
Can I enter my own problem?
Yes. Replace the example values with your own inputs. The result, calculation steps, tables and applicable diagrams update from those inputs. Blank or invalid values clear the result; example values are never silently substituted for missing inputs.
Are the results exact?
Results use floating-point arithmetic and displayed rounding. Read the formula, assumptions and any stated data precision before interpreting the result.
Is my input uploaded?
The calculation runs in your browser. No account, file upload or external AI service is required. Inputs are not saved between page reloads.
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