Masonry Blocks  Dimensions
Concrete Masonry Unit Blocks (CMU)  dimensions.
Typical Concrete Masonry Units  CMU  dimensions
Standard Blocks
Nominal Size (in)  Actual Size (in) 

4 x 8 x 16  35/8 x 75/8 x 155/8 
6 x 8 x 16  55/8 x 75/8 x 155/8 
8 x 8 x 16  75/8 x 75/8 x 155/8 
10 x 8 x 16  95/8 x 75/8 x 155/8 
12 x 8 x 16  115/8 x 75/8 x 155/8 
Half Blocks
Nominal Size (in)  Actual Size (in) 

4 x 8 x 8  35/8 x 75/8 x 75/8 
6 x 8 x 8  55/8 x 75/8 x 75/8 
8 x 8 x 8  75/8 x 75/8 x 75/8 
12 x 8 x 8  115/8 x 75/8 x 75/8 
 How many masonry units needed? Use this tool to calculate the number of concrete units needed.
Related Topics

Miscellaneous
Engineering related topics like Beaufort Wind Scale, CEmarking, drawing standards and more.
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