CMU Block Wall Basics
- Standard CMU: 8x8x16 nominal (7.625x7.625x15.625 actual)
- 1.125 blocks per sq ft of wall area (with 3/8" joints)
- Mortar: ~8.5 bags per 100 blocks for 3/8" bed and head joints
- Full grout fill: ~0.025 cu ft per cell for 8" block
Block Wall Calculator
Estimate CMU block count, mortar, and grout fill for concrete block walls.
Blocks Needed
0
including 5% waste
Mortar (80 lb bags)
0
Grout Fill
0 cu ft
Wall Area
0 sq ft
Courses High
0
Estimated Wall Weight
0 lbs
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