Brick Calculator: Wall Area, Bricks & Cost

 

Estimate bricks for one wall face using the manufacturer's installed brick count per unit of wall area. Deduct openings, add your chosen allowance, and round up to whole purchase units.

Wall area, bricks, and purchase cost

Gross area = wall length x height. Add areas only for the same brick and installation configuration. Enter total opening area separately; leave it blank for zero. Use net covered area rather than gross area if openings were already removed, and enter zero openings.

Get the installed brick count per sq ft or sq m from the supplier for the exact product, orientation, bond, and joint size. There is no universal brick count. This estimates one face only, not wall thickness, multiple wythes, foundations, or load-bearing design.

For individually sold bricks, use 1 brick per purchase unit and the price of one brick. For packs or pallets, enter their brick count and full purchase price. Allowance starts at 0% and accepts 0-50%; choose it for your project. Changing units clears wall areas and the manufacturer rate. Prices stay in USD.

Enable JavaScript to calculate. Subtract openings from gross area, multiply by manufacturer bricks per area and (1 + allowance / 100), and round up. Divide by bricks per purchase unit, round up again, then multiply by purchase-unit price.

How many bricks do I need for a wall?

Required bricks = round up [(gross wall area - openings) x manufacturer bricks per unit area x (1 + allowance / 100)]. Purchase units = round up [required bricks / bricks per purchase unit]. Purchased bricks = whole purchase units x bricks per unit.

Worked example

A 20 ft by 8 ft wall has 160 sq ft of gross area. Subtract 20 sq ft of openings to get 140 sq ft. With an illustrative supplier rate of 7 bricks per sq ft and a 10% allowance, the estimate is 1,078 whole bricks. At 100 bricks per pack, order 11 packs containing 1,100 bricks. At an illustrative $90 per pack, the brick-only material cost is $990. These are example inputs, not universal product coverage or market prices.

Why use a manufacturer count?

Brick sizes, visible faces, mortar joints, and laying patterns vary. A generic count derived from nominal dimensions can misrepresent actual coverage. Use product-specific installed coverage for the intended wall face. Special shapes, corners, lintels, and decorative details require separate planning.

Does the estimate include mortar?

No. Mortar yield depends on the product and assembly. This tool does not prescribe joint dimensions, mortar mix, structural thickness, reinforcement, or foundations. Tax, delivery, labor, and other materials are excluded unless included in the entered purchase-unit price.

Brick calculation guide

How to calculate bricks for a wall

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