# Masonry Blocks - Dimensions

### Typical Concrete Masonry Units - CMU - dimensions

#### 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 |

12 x 8 x 16 | 11-5/8 x 7-5/8 x 15-5/8 |

#### Half Blocks

Nominal Size (in) | Actual Size (in) |
---|---|

4 x 8 x 8 | 3-5/8 x 7-5/8 x 7-5/8 |

6 x 8 x 8 | 5-5/8 x 7-5/8 x 7-5/8 |

8 x 8 x 8 | 7-5/8 x 7-5/8 x 7-5/8 |

12 x 8 x 8 | 11-5/8 x 7-5/8 x 7-5/8 |

- 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, CE-marking, drawing standards and more.

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