small brick size in cm

Small Brick Sizes in CM: Dimensions & Uses

By Amanda AllenMarch 5, 2026

When planning for a new construction or DIY project, measuring materials in standard units helps ensure accurate use and minimal waste. In many regions, particularly in the European Union and many European influenced countries, measurements are done using the metric system which utilizes centimeters. For small bricks or masonry units, it's crucial to know the standard brick size in centimeters to get your measurements right.

The typical small masonry unit, or brick, measures around 20 cm in length, 10 cm in width, and 6.5 cm in height. However, the exact dimensions can vary depending on the manufacturer, style, and country. For instance, in the UK, bricks are measured in imperial units but are roughly translated to 21.5 x 10.2 x 6.5 cm in metric measurements.

Standard Brick Sizes in Centimeters

Here's a brief overview of some common small brick sizes based on different regions or styles:

the standard brick size for each block is 25 mm x 15 mm x 5 mm

Knowing these basic sizes can help you plan how many bricks you'll need for your project more accurately.

European Standard Bricks

Used widely across Europe and other countries, these bricks usually measure 21 x 10.5 x 6.5 cm. They are easy to identify due to their uniform size and shape.

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Common variations are 22 x 11 x 7 cm and 24 x 12 x 7 cm, which are slightly larger but maintain the same ratio of length to width.

UK Standard Bricks

Though typically measured in imperial units, you can convert these to metric: 21.5 x 10.2 x 6.5 cm. These are almost identical to the Dutch Roman bricks at 22 x 11 x 6.5 cm.

Another common size in the UK are foge bricks at 22.5 x 11.25 x 6.5 cm, which are slightly deeper to accommodate the larger joint size used in UK mortar.

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Flower Pot or Euro Bricks

factor in when calculating wall dimensions. For example, Euro-style double or tria pockets mean two or three standard-sized bricks will be placed side by side with a larger gap between each course.

Familiarizing yourself with these variations can help you anticipate the amount of space you'll need and which style of brick works best for your project.

Building and Laying Techniques

Besides the type of brick, the laying pattern and technique also influence wall dimensions. For instance, the thickness of a wall laid in the stretcher or soldier course configuration will be slightly less than that of a wall laid in the stretcher bond with headers, as in the latter case, a row of bricks is laid horizontally, increasing wall thickness.