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Construction math, simplified.

Quick unit conversions, rebar weight calculations, and concrete volume estimates — built for the jobsite.

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Bar Bending Schedule

Build a full rebar cutting schedule with ACI shape codes, bend deductions, cut length, and total weight.

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Concrete Calculator

Calculate concrete volume for slabs using length, width, and thickness.

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CMU / Block Calculator

Estimate blocks, mortar bags, and grout for a block wall based on its dimensions.

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4+Conversion types
Metric & ImperialFull unit support
3Free construction tools
$0Always free