Brick Calculator
Estimate how many bricks a wall needs, including mortar joints and waste. The result updates as you type, with the working underneath so you can check it.
Your details
Result
Bricks needed
710
59.3 per m²
- Wall area
- 11.40 m²
- Without waste
- 676
- Single-skin wall (one brick thick). Double the count for a cavity or 215 mm wall.
Good to know: bricks per m² = 1 ÷ ((l + joint) × (h + joint))
Please note: Estimates only. Measure your actual space, buy a little extra, and check product labels, safety requirements and local building rules. Do not rely on this for structural or safety-critical work.
About this tool
Formula
bricks per m² = 1 ÷ ((l + joint) × (h + joint))
Questions people ask
How many bricks are in a square metre?
About 60 for standard UK bricks with 10 mm mortar joints, single skin.
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators