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Click image (below) to select correct shape. Enter side lengths, slab thickness, edge footing and internal thickening dimensions (if applicable) and hit 'Calculate' to display results. Hit for a walk through to see how it works.

Click Shape Below to Select
Rectangular concrete slab L shaped concrete slab U shaped concrete slab T shaped concrete slab H shaped concrete slab



Slab Thick
Edge Footing Width
Edge Footing Thick
Internal Footing Length
Internal Footing Width
Internal Footing Thick
Splay Footing Edge
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Cylindrical Concrete Column Calculator Cylindrical column concrete calculator
cylindrical columns with diameter of mm and length mm have a volume of


Select slab shape to display input boxes. Enter side lengths, footing dimensions, concrete thickness (depth),
total internal thickening length etc to calculate cubic metres of concrete needed.
Hit 'Demo' button to automatically pre-fill side lengths, dimensions etc and calculate concrete volume.
Check 'Splay Footing Edge' to splay internal footing edges at 45° (see drawing)


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Bloktek - Masonry Construction Specialists

Masonry Construction Specialists
Port Douglas - Mossman - Cairns Australia
ph: 0400 508 558

Greg Tarrant
ph: Australia +61 7 40987645

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ALWAYS CHECK WITH YOUR LOCAL BUILDING AUTHORITY BEFORE LAYING OUT OR BUILDING ANYTHING
AND FOLLOW ALL LOCAL CODES. VERIFY ALL DIMENSIONS AND ANGLES BEFORE CONSTRUCTION


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