What are the 5 standard sizes of CMU?
While 4″, 6″, 8″, 10″, and 12″ are the standard sizes, some manufacturers offer other sizes not listed below.
What is the standard size of CMU?
Typically, concrete masonry units have nominal face dimensions of 8 in. (203 mm) by 16 in. (406 mm), available in nominal thicknesses of 4, 6, 8, 10, 12, 14, and 16 in. (102, 152, 203, 254, 305, 356, and 406 mm).
What are the actual dimensions of an 8 CMU?

8″ x 8″ x 16″
Dimensions
Nominal Dimensions | Actual Dimensions |
---|---|
8″ x 8″ x 16″ Full Sash | 7 5/8″ x 7 5/8″ x 15 5/8″ |
8″ x 8″ x 16″ A-Block | 7 5/8″ x 7 5/8″ x 15 5/8″ |
8″ x 8″ x 16″ H-Block | 7 5/8″ x 7 5/8″ x 15 5/8″ |
8″ x 8″ x 16″ Knock Out Bond Beam | 7 5/8″ x 7 5/8″ x 15 5/8″ |
What does CMU mean in concrete?
concrete masonry unit
Concrete block is made from Portland Cement, aggregates and water. It is also known as a concrete masonry unit (CMU). As a building material, concrete offers several attractive characteristics to designers and builders, including the following: Durable. Easy to install.
What is standard block size?
Standard Blocks
Nominal Size (in) | Actual Size (in) |
---|---|
4 x 8 x 16 | 3-5/8 x 7-5/8 x 15-5/8 |
6 x 8 x 16 | 5-5/8 x 7-5/8 x 15-5/8 |
8 x 8 x 16 | 7-5/8 x 7-5/8 x 15-5/8 |
10 x 8 x 16 | 9-5/8 x 7-5/8 x 15-5/8 |
What are the different sizes of blocks?

Blocks come in modular sizes, with the most popular typically referred to (by their thickness) as “4-inch”, “6-inch”, “8-inch”, and “12-inch”. In the US, CMU blocks are nominally 16 in (410 mm) long and 8 in (200 mm) wide.
What does CMU mean?
CMU
Acronym | Definition |
---|---|
CMU | Concrete Masonry Unit |
CMU | Couverture Maladie Universelle (French: Universal Health Coverage) |
CMU | California Miramar University (San Diego, CA) |
CMU | Call Me Up |
What is the standard size of block?
Standard size of concrete block used in India 1) 4″ solid CMU:- Nominal size of 4″ solid CMU or rectangular concrete block or brick is about 100 × 200 × 400 in mm or 4″ × 8″ × 16″ in inch with respect to (Depth × width × Length), and their actual size is 3 5/8″ × 7 5/8″ × 15 5/8″ in inch or 91.5 × 191.5 × 391.5 in mm.
What is the normal size of a concrete block?
The most common actual size for a cinder block is 16 inches by eight inches by eight inches.
How thick is a CMU block?
How tall is a standard CMU block?
Commonly available, size of 8″ full CMU or cinder block is 8 inches wide by 8 inches high by 16 inches long, which is represented in inch as 8 in × 8 in × 16 in or 200 × 200 × 400 in mm (wide × height× length).