Concrete Mix Ratio Reference by Use Case

Compare common concrete mix ratios by use case strength estimate and component proportions.

Common cement : sand : aggregate mix ratios by volume, and what strength class each is suited for. For structural work, follow an engineer's spec rather than a general table.

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Concrete Mix Ratio Reference by Use Case is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

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