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Brick calculator
Face brick and mortar for a veneer wall from its dimensions — openings subtracted, waste included.
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How it’s computed
Wall sqft = length × height − openings (clamped at 0). Bricks = ceil(wall sqft × 6.86 × (1 + waste)) — 6.86 brick/sqft is the standard for MODULAR brick laid with a 3/8" joint. Mortar ≈ 7 bags per 1000 brick. Default 5% waste.
Decimal-exact and deterministic: identical inputs always return identical results. This is the same math Ask Donnie’s estimating engine runs — not an approximation, and never a language model doing arithmetic.
Common questions
I'm using queen / king / utility brick.
Different face sizes lay at different counts per square foot — override bricks_per_sqft with your unit's rate (from the brick manufacturer's spec sheet).
Is this a single wythe?
Yes — a one-brick-thick veneer count. A double-wythe wall doubles it.
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