// multi-utility computation suite · offline · instant · precise
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sci.concrete-mix-water-cement-ratio Calculator
Calculates concrete mix design water-cement ratio, cement content, and aggregate proportions from target compressive strength using ACI 211 or IS methods. w/c ratio of 0.45 gives 28-day strength ≈ 40 MPa for OPC — reducing w/c to 0.35 raises strength to ≈ 55 MPa; superplasticisers maintain workability at low w/c.
Inputs
Fc Mpa
Reference formula or conversion factor shown for context.
Type Cement
A multiplier applied in the calculation.
W C Ratio
Reference formula or conversion factor shown for context.
Slump Mm
Reference formula or conversion factor shown for context.
Results
predicted f\
Reference formula or conversion factor shown for context.
cement content (kg/m³)
Sample size or count used in the calculation.
water content (kg/m³)
The value at the specified point or condition.
concrete density (kg/m³)
Sample size or count used in the calculation.
Abrams law: f\
Reference formula or conversion factor shown for context.
w/c limits
Reference formula or conversion factor shown for context.