Free Concrete Block Calculator – Estimate CMU Blocks & Mortar

Load Example:

1. Wall Dimensions 1 Wall

2. Doors, Windows & Openings

0 sq ft deducted

3. Block Size & Waste Allowance

%

4. Mortar & Core Fill (Grout)

%

5. Material & Installed Cost

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$
$
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Total Blocks to Buy
198
Includes 180 base blocks + 18 waste (10%)
Mortar Bags Needed 8 bags
Net Wall Area 160.0 sq ft
Core Fill Volume 0.00 cu yd
Estimated Total Cost $640.30

Project Breakdown

  • Gross Wall Area160.0 sq ft
  • Openings Deducted0.0 sq ft
  • Net Masonry Area160.0 sq ft
  • Wall Courses (Rows High)12 courses
  • Blocks per Sq Ft (Module)1.125 blocks
  • Core Fill (80-lb Grout Bags)0 bags
  • Materials Cost (Blocks + Mortar + Fill)$640.30
  • Estimated Masonry Labor$0.00
  • Cost per Sq Ft / Linear Ft$4.00 / sq ft · $32.02 / lin ft
Running bond preview · 20 ft × 8 ft (12 courses × 15 blocks/course)
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