Relative Density

Written by Jerry Ratzlaff on . Posted in Dimensionless Numbers

densityRelative density is the density or ratio of any substance to another substance.  It sometimes may be called just gravity or specific gravity. 

FORMULA

\(RD = \frac{\rho_s}{\rho_r}\) 

Where:

\(RD\) = relative density

\(\rho_s\) (Greek symbol rho) = substance density

\(\rho_r\) (Greek symbol rho) = reference density