Brick Calculator
Calculate brick counts for a wall or veneer by brick size, with mortar bags and openings deducted.
Formula and figures last reviewed by the Cosyslabs team · how we verify
Inputs
Result
Bricks needed
1208
Wall area (net)
160 ft²
- Bricks per ft²
- 6.86
- Mortar bags (70 lb)
- 9
- Brick type
- modular
- Waste
- 10%
Waste default: 10% — Ten percent covers breakage, cuts at openings, and the culling that colour blending requires.
Estimates only. Verify with a licensed contractor or supplier before purchasing. Rough Estimator! is not responsible for shortages, overages, or material variances. See our methodology for formulas and sources.
Formula
Bricks = net wall area × bricks per ft² × (1 + waste) · modular brick: 6.86 per ft² including a 3/8 in joint
References
Related tools & materials
Don't forget
- Mortar mix
- Brick ties
- Weep vents
- Flashing
- Mason line
Also useful
Frequently asked questions
Multiply the wall area by the bricks-per-square-foot figure for your brick size, then add waste. A 20 × 8 ft wall in modular brick needs 160 × 6.86 = 1,098 bricks, or about 1,208 with 10% waste.
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Cosyslabs. (2026). Brick Calculator. Rough Estimator!. https://roughestimator.com/brick-calculator
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