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How many bricks per square metre?

How many bricks per square metre?

By the Plankley team · Last checked 19 October 2026

Work it out: the brick and block calculator shows the sum for your own measurements, with every figure editable.

Worked example: Order: 623 units.

Open the brick and block calculator

Safety: A quantity and geometry estimate, not a design. It's not a substitute for a builder, structural engineer or building control. For anything load-bearing, retaining, on a boundary or that people walk on or lean against, get professional advice and check Building Regulations and planning rules.

On this page

The sum
Half-brick vs one-brick walls
Blocks
Breakages
Then the mortar

The sum

Half-brick vs one-brick walls

Blocks

Breakages

Then the mortar

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Plankley is an independent site with UK calculators for DIY and the trades. Every figure is a planning estimate: check your supplier's or maker's figures before ordering. We don't test products.

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