Concrete Mix Ratio Calculator

Calculate concrete mix proportions for desired strength and workability per ACI standards

ACI 211.1 Standard PracticeASTM C94 Ready-Mixed Concrete

Target Strength (PSI)

Exposure Class

Maximum Aggregate Size

Volume Needed (cubic yards) - Optional

Leave blank for per-cubic-yard quantities only

Enter values and click Calculate to see results.

Enter values and click Calculate

Frequently Asked Questions