Concrete block calculator
Concrete Block Calculator
Estimate standard concrete blocks for simple wall areas.
Results
- Wall square footage
- 80.00 sq ft
- Base blocks needed
- 90 blocks
- Blocks including waste
- 99 blocks
10% waste allowance
What this calculator does
This calculator estimates concrete block quantity from total wall square footage and a selected waste allowance.
Block coverage assumption
It uses the standard nominal 8x8x16 inch block face coverage assumption of about 0.8889 square feet per block.
Estimating reminder
Openings, bond pattern, cuts, and site conditions can change actual block needs, so verify the final order quantity before purchasing.