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Block Calculator

Plan block masonry quantities with adjustable assumptions.

Estimate concrete blocks

Wall area minus openings, divided by block face size including mortar, then wastage.

Related construction tools

Estimates only — not a bill of quantities. Mix, moisture, compaction, and wastage vary on site. Confirm with a qualified engineer or supplier.

Block walls often sit beside brick or plaster finishes. Estimate bricks with the brick calculator and mortar materials with the cement calculator.

How it works

Block estimates vary with bond pattern and openings.

How to use

Enter wall and block dimensions plus wastage %.

Frequently Asked Questions

What is Block Calculator?+

Concrete block quantity estimator.

How do I use Block Calculator on Pedzah?+

Enter wall and block dimensions plus wastage %.

Common searches related to Block Calculator.

  • Block calculator
  • Concrete block calculator
  • Cinder block quantity
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  • How many blocks for wall