Concrete Block Calculator
Calculate how many concrete blocks (CMU) you need for walls. Estimate cinder blocks and mortar needed for your project. Free block wall calculator....
Standard
8" × 8" × 16"
Half
8" × 8" × 8"
Slim
4" × 8" × 16"
0
Blocks Needed
0
Wall Area (sq ft)
0
Mortar Bags (80lb)
0
Courses (rows)
$0
Est. Block Cost
📐 Wall Details
Gross Wall Area
0 sq ft
Opening Deductions
-0 sq ft
Blocks per sq ft
1.125
Waste Factor (5%)
+0 blocks
🛠️ Materials List
Concrete Blocks
0 blocks
Type S Mortar (80lb bags)
0 bags
Mason Sand
0 cubic ft
Rebar (if reinforced)
0 pieces
About This Tool
Calculate how many concrete blocks (CMU) you need for walls. Estimate cinder blocks and mortar needed for your project. Free block wall calculator.
This free online calculator provides instant, accurate results. No signup required - just enter your values and get your answer immediately.