Brick Wall Area Calculator

Estimate brick wall surface fast for accurate project planning. Enter lengths, heights, and openings easily. Get clear area results with printable reports today instantly.

Inputs
Add multiple wall segments and subtract openings.
White Theme Multi‑Segment Exports
Outputs are shown in m² and ft².
Typical range: 3% to 10%.
Bricks per m² (common default: 60).
Wall Segments
Sum of (length × height × quantity).
Length Height Qty #
1
2
3
Openings
Subtract doors, windows, or voids from gross area.
Type Width Height Qty #
1
2
Example Data Table
Use this sample to validate your inputs.
Item Length Height Qty Area
Wall Segment A 6.0 m 3.0 m 1 18.00 m²
Wall Segment B 4.0 m 3.0 m 1 12.00 m²
Gross Wall Area 30.00 m²
Door Opening 1.0 m 2.1 m 1 2.10 m²
Window Opening 1.2 m 1.2 m 2 2.88 m²
Total Openings 4.98 m²
Net Area 25.02 m²
Waste (5%) 1.25 m²
Total incl. Waste 26.27 m²
Tip
If you enter feet, the calculator converts to metric internally, then displays both unit results.
Formula Used
  • Gross Wall Area = Σ (Length × Height × Quantity)
  • Openings Area = Σ (Width × Height × Quantity)
  • Net Brickwork Area = max(0, Gross − Openings)
  • Waste Allowance = Net × (Waste% ÷ 100)
  • Total Area = Net + Waste Allowance
  • Optional Brick Estimate = Net(m²) × Bricks per m²
How to Use This Calculator
  1. Select your input units (meters or feet).
  2. Add wall segments and fill length, height, and quantity.
  3. Add openings for doors/windows and enter their sizes.
  4. Set a waste factor based on site conditions.
  5. Enable brick estimate only if you need a quick count.
  6. Click Calculate Area to view results above the form.
  7. Download CSV or PDF to share with your team.
Professional Guide to Brick Wall Area Measurement

Accurate brickwork area measurement helps you control material ordering, labor planning, and cost tracking. This calculator is designed for real site conditions where walls are split into multiple segments and openings reduce the net surface. By capturing each wall panel separately, you avoid rounding errors that often appear when only one overall length is used.

Start by listing every wall segment that will receive brickwork. A segment may be a full-length elevation, a short return, a parapet, or a boundary wall run. Enter the segment length and height, then multiply by the quantity when repeated panels occur. The calculator sums these areas to produce the gross wall surface. Next, subtract openings such as doors, windows, and service voids. This delivers a net brickwork area that aligns with how brickwork is actually executed.

A waste factor is included because site work rarely matches perfect drawings. Waste accounts for cutting, breakage, banding, sample panels, and small measurement changes during installation. A common allowance is 5% for straightforward work, while complex façades or frequent cutting may justify 8% to 10%. The calculator adds this allowance to the net area so your total planning quantity is more realistic.

Worked Example (matches the sample table)

  • Wall A: 6.0 m × 3.0 m × 1 = 18.00 m²
  • Wall B: 4.0 m × 3.0 m × 1 = 12.00 m²
  • Gross area = 30.00 m²
  • Openings: Door 1.0 m × 2.1 m = 2.10 m²; Windows 1.2 m × 1.2 m × 2 = 2.88 m²
  • Net area = 30.00 − 4.98 = 25.02 m²
  • Waste (5%) = 1.25 m²; Total incl. waste = 26.27 m²

After calculation, export your results to CSV for spreadsheets or PDF for client and site reporting. This keeps teams aligned on the same quantities, improves procurement accuracy, and reduces variation claims driven by inconsistent measurement methods.

FAQs
1) Should I measure brickwork in net or gross area?

Use net area for brickwork surface, because openings do not receive bricks. Gross area is helpful for checking geometry and comparing with drawings.

2) What waste percentage is reasonable?

For simple straight walls, 3%–5% is common. If you have many cuts, corners, or special details, consider 8%–10% to reduce shortage risk.

3) How do I handle repeated walls of the same size?

Enter the segment once and set Quantity to the number of repeats. This is faster and keeps your inputs consistent across identical panels.

4) Can I use feet for measurements?

Yes. Select Feet as the input unit. The calculator converts internally and still reports results in both square meters and square feet.

5) Do I subtract lintels, columns, and beams?

Subtract only surfaces where brickwork will not be installed. For structural elements that remain exposed, treat them as voids or model them as openings.

6) What does the optional brick estimate represent?

It gives a quick approximate brick count using a bricks-per-square-meter rate. Adjust the rate to match your brick size and mortar joint practice.

7) Why does my net area look too low?

Check that openings are not duplicated and that units are correct. Also confirm wall heights include only the brickwork portion, not parapets or coping unless needed.

Built for quick planning and consistent reporting.

Related Calculators

Brick wall volume calculatorBrick wall thickness calculatorBrickwork labor calculatorBrick wastage calculatorBrick cutting allowance calculatorBrick bond pattern calculatorBrick course count calculatorBrick per square meter calculatorBrick pallet count calculatorBlockwork cost calculator

Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.