Block Wall Calculator
Calculate the number of blocks, mortar, and total cost for your block wall project. Plan your masonry construction with accurate material estimates.
Step 1: Wall Dimensions
Understanding Wall Dimensions
Standard concrete blocks are 8×8×16 inches (including mortar joints). A 6-inch thick wall uses 6-inch wide blocks, while an 8-inch wall uses 8-inch wide blocks.
Step 2: Material Details
About Mortar Types
Type N mortar is the most common for above-grade walls. Type S has higher bonding strength for below-grade applications. Type M is for heavy load-bearing walls.
Wall Material Results
Total Estimated Cost
Wall Type Comparison
| Wall Type | Thickness | Material Cost | Blocks Needed | Labor Hours |
|---|
Cost Analysis
Calculation Formula
Blocks = (Wall Area / Block Area) × (1 + Waste Factor)
Number of blocks is calculated based on wall area divided by area per block, then adjusted for waste. Mortar is estimated at 3 bags per 100 blocks for standard joints.
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