Free concrete calculator
CMU Block Wall Calculator
Estimate the number of concrete blocks and core fill grout needed for a CMU block wall.
Estimate$0 - $0 installed
- Slab area
- 0 sq ft
- Concrete with 10% waste
- 0.0 cu yd
- Ready-mix material
- $0
- Installed cost per sq ft
- $NaN - $NaN
Estimating Notes
- Standard 8x8x16 blocks have a face area of about 0.89 square feet.
- Factor in mortar and rebar costs separately from the blocks themselves.
Calculator FAQs
How many blocks do I need for a wall?
Multiply the wall square footage by 1.125 to get the number of standard 8x8x16 blocks needed.