How to Calculate Quantities of Cement, Sand, Granite for ...
Calculate the Number of Bags of Cement you Need. Density of 1 cement bag (50 kg) = 1440 kg/m³. Density = mass/volume (ρ = m ÷ V) V = m ÷ ρ. V= 50 kg ÷ 1440 kg/m³. Volume of one bag of Cement=0.0347 m³ = 0.035 m³. To get the numbers of bags of cement that you need simply divide the volume of cement in concrete by the volume of one bag ...