Masonry Tools

Grout Volume Calculator

Calculate the exact volume of grout needed for concrete block walls, CMU cells, and masonry cores. Get cubic feet and material estimates instantly.

Wall Specifications

Grout Requirements

Total Blocks 0 blocks
Grout Volume 0 cu ft
Cells to Grout 0
Volume per Cell 0 cu in
Grout Bags (80lb) 0
Rebar Length 0 ft
Material Cost $0

Grout Spacing Guide

  • Every 8": Solid grout, structural
  • Every 16": Heavy loads, tall walls
  • Every 32": Standard construction
  • Every 48": Non-load bearing

Formula

Block Face = 16" × 8" = 128 sq in

Cell Volume = Core area × Block height

Cells to Grout = Based on spacing

Total Grout = Cell Volume × Cells

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