Bulk density, also called soil density, is the ratio of the total mass of a soil to the total volume. $latex \rho = \frac{m_t}{V_t}\newline\newline =\frac{m_w + m_s}{V_g + V_w + V_s}&s=2$ Where: ρ = bulk density (kg/m3 or lb/ft3) mt = Total mass (kg or lbs) mw = Mass of water (kg or lbs) ms […]