FULL CALCULATOR
ACI 211.1 Concrete Mix Design
Proportion normal-weight concrete by the ACI 211.1 weight / absolute-volume method. Enter the design requirements and materials; every step is shown. Switch between US and metric units below.
ACI 211.1-22
Units: Results are preliminary; ACI 211.1 requires trial batches. Durability limits follow ACI 318 — pick an exposure class or enter your own.
PRELIMINARY MIX
-
Design strength-psi
Water-cement ratio-adopted
Water-lb/yd³
Cement-lb/yd³
Mix proportions (per yd³)
| Ingredient | Weight (lb/yd³) | Abs. volume (ft³) |
|---|
Mix ratio by weight (cement : water : fine : coarse) = -
Calculation trail
Aggregate moisture correction
| Aggregate | SSD | As-batched | Free water |
|---|