How the Brick Calculator works
Wall volume = (Length × Height − Openings) × Thickness. Bricks ≈ 500 per m³ plus wastage. Mortar ≈ 30% of wall volume, cement and sand at 1:6.
How to use this calculator
- Sign up free and verify your email to unlock the calculator.
- Choose Metric (m, mm, m³, kg) or Imperial (ft, in, cft, lb) units.
- Enter the wall length, wall height, thickness, openings area, wastage.
- Results update instantly — read the quantities in the Results panel.
- Add a wastage allowance and confirm against your drawings and specifications before ordering.
Typical uses
Brick masonry walls with standard 9×4.5×3 inch bricks.
Assumptions & limitations
Results are planning estimates based on standard assumptions for concrete & masonry work. They do not replace structural design, site measurement or project specifications. Material densities, wastage and mix proportions vary by region and supplier.
Frequently asked questions
- How does the Brick Calculator work?
- Wall volume = (Length × Height − Openings) × Thickness. Bricks ≈ 500 per m³ plus wastage. Mortar ≈ 30% of wall volume, cement and sand at 1:6.
- Can I use the Brick Calculator in feet and inches?
- Yes. Switch to Imperial and enter feet, inches, square feet or pounds — the calculator converts automatically and shows results in imperial units.
- When should I use the Brick Calculator?
- Brick masonry walls with standard 9×4.5×3 inch bricks.
- Is this construction calculator free?
- Yes. All CM PRO construction calculators are free — you only need to sign up and verify your email.
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