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Rebar (Starter Bar) Placement Calculator - Concrete Block Vertical Steel Reinforcing

This calculator creates a map of Rebar placements for block walls.

Enter walls as panels and openings, in multiples of 8 inches, separated by spaces. eg: a wall with a panel of 8', then an opening of 6' 8", then a panel of 2' 8" is entered as 96 80 32.

Enter all panels and openings (ending in a panel), select Max Centers from the dropdown and hit 'Calculate' to display the rebar placement map and diagram of the wall.

You can enter multiple walls, separated by a - (minus sign) or enter and print walls separately.

Wall
Max Centers inches     List Walls


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Concrete block rebar placement diagram






DON'T BREATH THE DUST If you're cutting blocks, concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks
And if you're cutting wet, wear a mask - theres dust in the spray mist too!

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Zoom to adjust screen scale to actual size (measure full scale diagram with ruler) and hit 'Set' to set scale on other pages.


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All calculators on this site are geometric only.
Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.


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