This calculator is in Imperial (ft³, lbs) units. If need to Go Metric: Concrete Calculator + Concrete Mix Calculator 🧱 | Metric Units (kg, m³)
Concrete Mix Calculator (ACI 211.1)Concrete Mix Calculator (ACI 211.1)
Note: This calculator provides indicative proportions based on ACI 211.1 method. Results should be verified by laboratory testing before use in construction and should be verified with local material properties and conditions. Adjustments may be needed based on trial mixes to ensure the desired workability and strength.
Instructions
- Select the desired concrete strength
- Choose the workability (slump) requirement
- Select maximum aggregate size
- Pick exposure conditions
- Calculate volume by selecting shape and entering dimensions
- Click "Calculate Mix Design" to get your results
