Cinder Block Calculator

Calculate the number of standard concrete (cinder) blocks needed to build a wall, based on wall area and standard block coverage.

Inputs
Results
Blocks Needed
237

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Formula

Blocks = ceil((Wall Area / Block Area) × (1 + Waste%)), standard 16×8in block

Learn How This Works

Framing and Interior Material Estimates for a Renovation

Drywall sheets, board feet of lumber, cinder blocks, deck boards, and siding — five material estimates for framing and finishing a structure.

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