What is the Brick Calculator?
The brick calculator is a free online tool that helps you work out brick quickly and accurately. It uses the standard formula Standard brick 0.19 x 0.09 x 0.09 m with mortar; bricks = wall volume / brick volume and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter wall length, height and thickness.
- See the number of bricks needed.
Formula used
Standard brick 0.19 x 0.09 x 0.09 m with mortar; bricks = wall volume / brick volume
Explanation of each input
- Wall length (m) โ the wall length used in the calculation.
- Wall height (m) โ the wall height used in the calculation.
- Wall thickness (m) โ the wall thickness used in the calculation.
Understanding your result
- Bricks required โ the calculated bricks required.
- Including 5% wastage โ the calculated including 5% wastage.
Step-by-step calculation
For the example values 10m x 3m x 0.23m:
- Apply the formula:
Standard brick 0.19 x 0.09 x 0.09 m with mortar; bricks = wall volume / brick volume - Substitute the values: volume / brick volume
- Result: about 4140 bricks
Worked example
| Inputs | 10m x 3m x 0.23m |
|---|---|
| Working | volume / brick volume |
| Result | about 4140 bricks |
Benefits and practical uses
This calculator saves you time and reduces errors when you need brick. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Standard modular brick; 10 mm mortar; 5% wastage option.
Frequently asked questions
Does this include mortar?
Yes - a 10 mm mortar joint is assumed in the brick size.