Concrete Block Calculator
Calculate the number of concrete blocks needed for your wall
Wall Dimensions
Results
Wall Area
160.00 sq ft
Blocks Needed
180 blocks
15 per row × 12 rows
With 5% Waste
189 blocks
Mortar Required
11 bags
5.04 cubic feet (80 lb bags)
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.