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Brick Dimensions (Types & Sizes Guide)

Welcome to our brick dimensions guide including measurements showing red, modular, concrete block, fire brick and brick paver dimensions and brick weight.
House with brick wall teal door double hung windowBricks have been utilized for a long time and are the oldest known construction material. They have been proven for their durability and are still commonly used today. They are used for anything from walls to walkways and sometimes even follow a pattern for aesthetics. 

Read on to learn more about them and the common dimensions they come in.

Brick Dimensions Inches

Brick dimensions

If you are more partial to measuring in inches, here are the dimensions with the millimeters converted to inches. The height of 65 millimeters is 2.56 inches, the length from one side to the other of 215 millimeters will be 8.46 inches, and the depth of 102.5 millimeters will be 4.04 inches. 

Standard Brick Size

A standard brick is usually used to cover exterior walls especially for homes with a more traditional overall design. You can find them in a deep rouge color and a rectangular shape. 

Standard bricks usually have sizes ranging from is 2.56 inches high, 8.46 inches wide and 4.04 inches deep.

Here’s the size in metric measurements, 65 millimeters in height, 215 millimeters in length and they are typically 102.5 millimeters wide. Although, some bricks that are also often used can have a different size than the standard. 

Standard Brick Height

As mentioned above, standard bricks that are often used for exterior walls have a height of 65 millimeters or 2.56 inches. 

How Tall is Brick with Mortar?

Brick wall constructionBricks that are laid out on an exterior wall or even the inside are bonded by mortar. This mortar is usually 10 millimeters thick or a little over 3/8 of an inch and thus adding 10 millimeters to a standard brick height. The usual brick height is 65 millimeters plus 10 millimeters of mortar, thus making a brick with mortar 75 millimeters tall. 

Red Brick Dimensions

Red bricks are widely used and are characterized by their red color. These bricks are made with natural clay and sand and are usually fired in a kiln or left outside to dry under the sun.

Most building construction utilized this material either in residential or commercial buildings because of their strength and their ability to stand without the need for reinforcements. 

There are different brick sizes and dimensions for each country and every application. It’s important to make sure that there are standard sizes because if the brick is too small, more mortar is required. To provide you with a comprehensive dimensions list, we will be classifying standard red brick sizes for three countries. 

Bricks with masonry trowelIn the United States, the standard red brick size is controlled by the American Society for Testing and Materials, and their bricks have the dimensions of 3” 5⁄8 × 2” 1⁄4 x 8”, or 92 mm x 57 mm x 203mm. As usual, add 10 mm (a little over 3/8 of an inch) if you are looking for the brick dimensions with mortar. 

In the United Kingdom, the standard dimensions of a standard red brick are 215 mm x 102.5 mm x 65 mm, and add 10 mm on each side if you want the dimensions to include the nominal size for mortar. 

In Australia, a standard red brick is sized at 230 mm x 76 mm x 110 mm, but some use bigger bricks for economic reasons. 

How Much Does a Brick Weigh?

For a standard 8 inch by 2 ¼ inches by 4-inch brick, you can expect it to weigh at least 5 pounds or 2.27 kilograms. They are used in walkways, fireplaces, walls, or patios, and some of them are heavier or lighter depending on what kind of brick you are after. Read more about fireplace dimensions here.

Modular Brick Size

Modular brick standard sizeModular bricks are brick with a specific size of 50.8 millimeters or 2 inches wide, and a length of 101.6 millimeters or 4 inches. The meaning of modular bricks is also different wherever country you are.

For example, in Australia, modular brick is the nominal size by which standard bricks are produced, and thus the nominal size for a standard brick in Australia is 230 mm x 76 mm x 110 mm.

A modular brick can also be a standard brick dimension plus the standard thickness of a mortar bed. Let’s consider a standard brick size of 19 x 9 x 9 centimeters, thus making the nominal size that includes the mortar thickness of 20 x 10 x 10 centimeters. 

Concrete Block Dimensions

Concrete block dimensionsConcrete blocks are also known as hollow blocks. They have a variety of uses and are considered one of the most versatile building products. They are manufactured in different shapes, colors, textures, and dimensions. Some can be standard because of their popularity, but they vary from region to region. 

A single concrete block has nominal dimensions of 203 millimeters or 8 inches length by 406 millimeters or 16 inches width. They can have a thickness going from 102 millimeters or 4 inches up to 406 millimeters or 16 inches. 

Fire Brick Dimensions

Fire bricks are made of ceramic material and are used to line furnaces, fire pits, fireboxes, fireplaces, or kilns. Fire bricks are designed to withstand high temperatures but also are energy efficient because of their lower thermal conductivity. 

Three types of fire brick are commonly manufactured because they are commonly used. The first has a dimension of 229 millimeters or 9 inches, 114 millimeters or 4 ½ inches, and 76 millimeters or 3 inches. The second fire brick dimensions are 229 millimeters or 9 inches, 114 millimeters or 4 ½ inches, and 64 millimeters or 2 ½ inches. 

The last dimensions are fire bricks with half the thickness and are used for lining fireplace inserts or wood stoves for restaurants serving pizza. They are usually called firebricks “splits” and have a length and width the same as the others but with a thickness of 32 millimeters or 1 ¼ inch. 

See our article about fire pit dimensions for more on this subject.

Brick Paver Dimensions

Brick pavers walkwayBrick pavers are made of clay that is formed in many shapes and is heat cured. They have a smooth surface and are used to pave walkways.

You usually see them in public parks and walkways, and they come in dimensions of 4 inches or 10 centimeters by 8 inches or 20 centimeters with a thickness of 2 inches or 5 centimeters. Checkout our brick paver driveway design guide here.

Whether you are looking to do brickwork for your front lawn or just looking to DIY an exposed brick wall for your kitchen, knowing the proper dimensions is important. Consulting with experts and knowing what you need because, in the end, it will always be up to you, the homeowner. 

See more related content in our article about brick kitchen island design ideas here.

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