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.
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