Brick Calculator
Use the Brick Calculator for a transparent, instant calculation with validated inputs and cited sources. For a query such as “Brick Calculator”, enter the matching values and units below and review the stated assumptions.
How to use this calculator
Enter the requested values and units.
Review the assumptions and any warnings shown with the result.
Use the result together with the cited source and your real-world requirements.
Formula
Divide wall area in square inches by the brick-plus-joint module area. The base count is that raw module count rounded up; the purchase count multiplies the raw module count by 1 + waste percentage and then rounds up.
Worked example
Worked example: Inputs: Wall width: 20 ft; Wall height: 8 ft; Brick face width: 7.625 in; Brick face height: 2.25 in; Mortar joint: 0.375 in; Waste allowance: 10 %. Outputs: Bricks including waste: 1,207 bricks; Bricks before waste: 1,098 bricks.
Assumptions and limits
- The result depends on the values, units, and assumptions entered. It does not infer missing context.
Sources
- National Institute of Standards and Technology: Guide for the Use of the International System of Units (SI)Reference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
- Concrete Masonry & Hardscapes Association: Concrete Masonry Unit Shapes, Sizes, Properties, and SpecificationsReference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
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Frequently asked questions
How does the Brick Calculator work?
Divide wall area in square inches by the brick-plus-joint module area. The base count is that raw module count rounded up; the purchase count multiplies the raw module count by 1 + waste percentage and then rounds up.
What should I enter?
Wall width, Wall height, Brick face width, Brick face height, Mortar joint, Waste allowance
What should I verify?
Review the assumptions and any warnings shown with the result. The result depends on the values, units, and assumptions entered. It does not infer missing context.
Last updated 2026-08-14 · construction-brick-v1 · opportunity-content-2026-08-14 · Trusty Calculator Editorial Team