A cinder block is made up of concrete and it is a very famous building material in the United States. So in this article, we will know How much do 4″, 6″, 8″, 10″ & 12″ cinder block weight.

## What is a cinder block?

Cinder blocks or concrete masonry units (CMUs) are rectangular building blocks made from concrete and aggerate material. Its composition generally contains a mixture of Portland cement, water, and aggerates such as sand, gravel, and crushed stones. These blocks also contain materials such as fly ash, cinders, and gypsum. Cinder blocks are very famous in the United States.

This serine is an economic building material and there is a wide range of construction that can be seen in various residential buildings public and industrial buildings. As it has long-lasting material, the architect and Engineer recommend it for house construction, retaining walls, and security barriers.

Cinder blocks do have a number of advantages over other building materials basically bricks and wood. Cinder blocks are a sustainable building material, this is because they are generally made from railed products such as fly ash and cinder and their major advantage is that they can also be recycled at the end of their useful life.

Let’s look at the major advantages and benefits of using cinder blocks.

- They are strong and durable.
- They are cost-efficient or we can say expensive.
- They are easy to work with.
- They are also fire and water-resistant.
- Energy efficient too.
- They are sustainable and made of recycled products.

Thus, cinder blocks are very versatile materials that are used for building. So, they are used for a variety of projects and are a popular choice for both homeowners and professionals.

### How much does a cinder block weigh?

The weight of a standard cinder block( concrete masonry unit ) or CMU, varies depending on its size and composition. The density of a cinder block also plays an important role in the weights of CMUs. A typical 8-inch (16×8×8 inch) dual-core hollow cinder block weighs about 38 pounds i.e. 17 kg. This basically the weight of a cinder block when it’s dry. When soaked in water it adds over a pound of weight to itself by absorbing that much of water to itself. They have two hollow cells to them which can be filled with rebar and concrete, thus the weight also varies based on its weight, and size.

**The different sizes of cinder blocks that are common and their weight**

Cinder blocks are available in a variety of sizes. However the most common sizes are 8″×8″×16″. The sizes are 4″,6″,8″, 10″, and 12 inch.

## Weight of 4″, 6″, 8″, 10 and 12″ cinder blocks

The different sizes of cinder blocks are basically 4 inches wide, 6 inches wide, 8 inches wide, 10 inches wide, and 12 inches wide, they have a length of 16″ and their height is about 8 inches. The cinder blocks measure a 3/8 inch shorter as it allows for the mortar joints.

### How much does a 4″ Cinder Block (CMU) weigh?

**Weight of a 4″ Full hollow Cinder block.**

A full hollow (4×8×16) CMU or cinder block weighs about 24 pounds or 11 kg. The typical solid 4″ Inch (4×8×16) cinder block weighs a bit more which is about 33 pounds, or 15 kg. It basically depends on the application it is being utilized for. This is the dry weight.

The 4-inch block when soaked in water absorbs about a pound of water.

(4×8×16) is the nominal size for a 4-inch cider block which stands 4 inches wide × 8 inches tall × 16 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 3 5/8-by -7 5/8-by-15 5/8.

Therefore the weight of 4 inch (4×8×16) hollow cider is about 24 pounds which is 11 kg. The same solid 4-inch cider block weighs about 33 pounds which is 15 kg depending on what purpose it is used for.

**Note – This is dry weight.**

### How much does a 4″ Half Cinder Block (CMU) weigh

A half-hollow (4×8×8) hollow CMU or cinder block weighs about 12 pounds which is 5.5 kg. The typical solid 4″ Inch (4×8×8) cinder block weighs a bit more which is about 16 pounds or 7.5 kg. It basically depends on the application it is being utilized for. This is the dry weight and the 4-inch block when soaked in water absorbs about a pound of water.

(4×8×8) is the nominal size for a 4-inch cider block which stands for 4-inch wide × 8 inches tall × 8 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 3 5/8-by -7 5/8-by-7 5/8.

Therefore the weight of 4 inch (4x8x8) hollow cider is about 12 pounds which is 5.5kg. The same solid 4-inch cider block weighs about 16 pounds which is 7.5 kg depending on what purpose it is used for.**Note – This is dry weight.**

### How much does a 6″ Cinder Block (CMU) weigh

**Weight of a 6″ Full hollow Cinder block**.

A full hollow (6×8×16) CMU or cinder block weighs about 33 pounds and is 15 kg. It basically depends on the application it is being utilized for. This is the dry-weight

and the 6-inch block when soaked in water absorbs about a pound of water.

(6×8×16) is the nominal size for a 6-inch cider block which stands for 6-inch wide × 8 inches tall × 16 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 5 5/8-by -7 5/8-by-15 5/8.

Therefore the weight of 6-inch (6×8×16) hollow cider is about 25 pounds which is 11 kg depending on what purpose it is used.**Note – This is dry weight.**

### How much does an 8″ Cinder Block (CMU) weigh

**Weight of an 8″ Full hollow Cinder block.**

A full hollow (8×8×16) CMU or cinder block weighs about 38 pounds which is 17 kg. It basically depends on the application it is being utilized for and this is the dry weight.

And the 8 inch block when soaked in water absorbs about a pound of water.

(8×8×16) is the nominal size for an 8-inch cider block which stands for 8-inch wide × 8 8-inch tall × 16 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 7 5/8-by -7 5/8-by-15 5/8.

Therefore the weight of 8-inch (8×8×16) hollow cider is about 38 pounds which is 17 kg depending on what purpose it is used.**Note – This is dry weight.**

### How much does an 8″ half cinder block (CMU) weigh

A half-hollow (8×8×8) hollow CMU or cinder block weighs about 19 pounds which is 8.5kg. It basically depends on the application it is being utilized for. This is the dry weight and the 8-inch block when soaked in water absorbs about a pound of water.

(8×8×8) is the nominal size for an 8-inch cider block which stands for 8 inches wide × 8 inches tall × 8 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension is more apt to be 7 5/8-by -7 5/8-by-7 5/8.

Therefore the weight of an 8-inch (8×8×8) hollow cider is about 19 pounds which is 8.5 kg depending on what purpose it is used for.**Note – This is dry weight.**

### How much does a 10″ Cinder Block (CMU) weigh

**Weight of a 10″ Full hollow Cinder block.**

A full hollow (10×8×16) CMU or cinder block weighs about 43 pounds which is 19.5kg. It basically depends on the application it is being utilized for. This is the dry weight and the 10-inch block when soaked in water absorbs about a pound of water.

(10×8×16) is the nominal size for a 10-inch cider block which stands for 10-inch wide × 8 inches tall × 16 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension is more apt to be 9 5/8-by -7 5/8-by-15 5/8.

Therefore the weight of 10-inch (10×8×16) hollow cider is about 43 pounds which is 19.5kg depending on what purpose it is used for.**Note – This is dry weight.**

### How much does a 10″ Half Cinder Block (CMU) weigh

A half-hollow (10×8×8) hollow CMU or cinder block weighs about 21.5 pounds which is 9.5kg. It basically depends on the application it is being utilized for. This is the dry weight and the 10-inch block when soaked in water absorbs about a pound of water.

(10×8×8) is the nominal size for a 10-inch cider block which stands for 10-inch wide × 8 inches tall × 8 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension is more apt to be 9 5/8-by -7 5/8-by-7 5/8?

Therefore the weight of 10-inch (10×8×8) hollow cider is about 21.5 pounds, which is 9.5 kg depending on what purpose it is used.**Note – This is dry weight**.

### How much does a 12″ Cinder Block (CMU) weigh

**Weight of a 12″ Full hollow Cinder block.**

A full hollow (10×8×16) CMU or cinder block weighs about 52 pounds which is 23.5kg. It basically depends on the application it is being utilized for. This is the dry weight and the 12-inch block when soaked in water absorbs about a pound of water.

(12×8×16) is the nominal size for a 12-inch cider block which stands for 12-inch wide × 8 inches tall × 16 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 11 5/8-by -7 5/8-by-15 5/8.

Therefore the weight of 12 12-inch (12x8x16) hollow cider is about 52 pounds which is 23.5 kg depending on what purpose it is used.**Note – This is dry weight.**

### How much does a 12″ Half Cinder Block (CMU) weigh

A half-hollow (12×8×8) hollow CMU or cinder block weighs about 26 pounds which is 12 kg. It basically depends on the application it is being utilized for. This is the dry weight and the 12-inch block when soaked in water absorbs about a pound of water.

(12×8×8) is the nominal size for an 8-inch cider block which stands for 12 inches wide × 8 inches tall × 8 inches long and their actual size measures a 3/8 inch shorter allowing for mortar joints thus their actual dimension are more apt to be 11 5/8-by -7 5/8-by-7 5/8.

Therefore the weight of 12-inch (12x8x8) hollow cider is about 26 pounds which is 12 kg depending on what purpose it is used.**Note – This is dry weight.**

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### Conclusion

In this article, we have learned about different sizes of cinder block weights. A standard 8 in × 8 in × 16 in or 8-inch CMU or cement block or hollow cinder block has an average weight of about 38 pounds which is 17kgs.