Observed arrival · 2026-08-28

The ACI Concrete Mix Design Calculator

designmixconcrete.com Observed source

Editorial interest 78/100 Selection signal · not a rating of the site

A free calculator for preparing preliminary concrete mixes under the ACI 211.1-22 method.

Landing page captured for the 2026-08-28 issue.

Field notes

The tool follows the ACI 211.1-22 absolute-volume method and exposes intermediate quantities including water, water-cement ratio, cementitious content, and aggregate volumes. Users can begin with 3000, 4000, or 5000 psi reference grades or supply a custom specified strength and slump. The site also includes a material-cost calculator and describes an optional $4.99 report containing the proportioning trail and batch weights per cubic yard and cubic metre.

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