Brick Calculator
Estimate materials for common building and renovation projects.
This calculator turns project measurements into an estimated whole-brick count from wall area and bricks per square metre. It is intended for early planning, quantity comparisons and checking a supplier estimate—not as a substitute for drawings or a professional takeoff. Keep every input in the same unit system and measure the actual project rather than relying on nominal dimensions.
How the calculation works
The calculation used here is wall length × wall height × bricks per m² × (1 + waste percentage ÷ 100), rounded up. A 6 m by 2.5 m wall at 60 bricks per m² with 10% waste requires 990 bricks. Change one input at a time to see which assumption has the greatest effect. The displayed result is rounded for practical use, while the underlying calculation keeps the entered values. Always round purchase quantities in the direction that avoids a shortage.
Where this estimate is useful
It is particularly useful for straight wall sections where the brick-and-joint module is known. A quick estimate helps compare alternatives, prepare a shopping list and spot an unrealistic quotation before work begins. For several separate areas, calculate each section individually when their dimensions or specifications differ, then add the results. This avoids hiding important variation inside one average measurement.
What can change the result
Openings, corners, bond pattern, brick dimensions, mortar joints and breakage all affect a masonry takeoff. Measure twice, confirm product dimensions on the manufacturer or supplier data sheet, and check whether materials are sold individually, by pack or only in fixed delivery quantities. Waste is a planning allowance rather than a universal constant: simple layouts usually need less, while complex cuts and fragile materials need more.
Brick Calculator: Frequently asked questions
What formula does this calculator use?
It uses wall length × wall height × bricks per m² × (1 + waste percentage ÷ 100), rounded up. The units entered must be compatible before the values are multiplied or divided.
Is the result exact?
No. It is a planning estimate based on the measurements and assumptions supplied. Site conditions and product specifications still need to be checked.
Should waste be included?
Include a realistic allowance when the calculator provides one. The appropriate percentage depends on cuts, breakage, layout and whether leftover material can be reused.
What should be checked before ordering?
Recheck dimensions, unit conversions, package sizes, supplier coverage or density data, and any design or code requirements that affect the project.