Alamgir Anwar

Maker of free concrete calculators

About

I build and maintain Concrete Calculator (concretecalculatorusa.com), a free set of concrete calculators for US homeowners, DIYers and contractors. Every formula is tested against exact arithmetic, and the bag yields come from manufacturer data sheets.

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Website

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Tastemaker

Gone streaking

Maker History

Concrete CalculatorFree concrete calculators: yards, bags and cost
Nov 2026

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Joined Product HuntNovember 8th, 2026

Forums

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3d ago

Concrete Calculator - Free concrete calculators: yards, bags and cost

Free concrete calculators for slabs, footings, post holes and stairs. Get cubic yards, whole bag counts and cost at your own prices, plus whether bags or a ready-mix truck is cheaper. Metric for post holes. No sign-up, and it can be embedded on any site.