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Construction & MasonryACI 211.1 Standards
Standard Concrete Mix Ratios by Volume
The standard volumetric ratio is written as Cement : Sand (Fine Aggregate) : Gravel (Coarse Aggregate). Calculate total cubic yardage and bags with our Concrete Calculator.
2500 PSIRatio: 1 : 2.5 : 3.5
Residential Walkways, Patios & Shed Slabs
0.60 Water/Cement ratio3000 PSIRatio: 1 : 2 : 3
Standard Residential Driveways, Garage Floors & Foundation Footings
0.50 Water/Cement ratio4000 PSIRatio: 1 : 1.5 : 2.5
Heavy Commercial Vehicle Pavement, Structural Beams & High Wear Surfaces
0.45 Water/Cement ratio5000 PSIRatio: 1 : 1 : 2
Pre-Stressed Concrete, Bridge Piers & High-Corrosion Chemical Exposure
0.40 Water/Cement ratio