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Brick Calculator — Bricks, Mortar, Cement, Sand & Cost

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No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

Wall length (ft) Wall height (ft) Wall thickness (in) Number of similar walls Total door/window openings (sq ft) Actual brick length (in) Actual brick height (in) Actual brick width (in) Mortar joint thickness (in) Brick waste / breakage allowance (%) Mortar sand parts per 1 part cement For a 1:6 cement:sand mix, enter 6.Wet-to-dry mortar volume factor Use the project estimating basis rather than treating this as universal.Cement bag bulk volume (cu ft) Enter the bulk volume basis used for your bag size.Price per brick (optional) Price per cement bag (optional) Sand price per cu ft (optional)

Calculated result

1610 bricks

179 sq ft net wall face · 134.25 cu ft net masonry volume

1,504 calculated bricks before 7% allowance

28.502 cu ft estimated wet mortar · 37.908 cu ft dry-volume basis

5 cement bags from 5.415 cu ft cement · 32.493 cu ft sand

Enter local brick, cement-bag and sand prices only when you want a material subtotal.

Show the working

1. Gross wall face = 20 × 10 × 1 = 200 sq ft; net after openings = 179 sq ft.
2. Net wall volume = 179 × 0.75 = 134.25 cu ft.
3. Brick module = (9 + 0.375) × (3 + 0.375) × (4.5 + 0.375) in = 0.089264 cu ft.
4. Base bricks = 134.25 ÷ 0.089264 = 1,503.967; purchase = ceil(base × 1.07) = 1610.
5. Wet mortar ≈ net masonry volume − calculated solid-brick volume = 28.5023 cu ft; dry basis = × 1.33.

Regular-volume brickwork model. Bonds, closures, piers, returns and site cuts can change quantity; mortar dry factor, mix ratio and bag volume must match the project estimating basis.

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