Cement–Sand Ratio Calculator Advanced Cement–Sand Ratio Calculator Estimate quantities of cement, sand, and water for your mix. Units Metric (m³, kg, L) Imperial (ft³, lb, gal) Total Mortar/Concrete Volume Cement–Sand Mix Ratio (C:S) Water–Cement Ratio (W/C) Calculate Reset Export CSV Print / Save PDF Results: Cement required: Sand required: Water required: Approx. Cement bags (50kg each):