What is the definition of density? Chemistry Measurement Density 1 Answer anor277 Sep 22, 2016 Density is mass per unit volume. Explanation: And thus #"density, "rho# #=# #"Mass"/"Volume"#. And thus #rho# typically has units #g*mL^-1# or #g*cm^-3#. Answer link Related questions How can density be used to identify substances? How can you find mass from density? How are density mass and volume related? How do you calculate mass using density and volume? How do you convert mass to density? How do you determine the density of a gas? What is the density of water? What is linear mass density? Why does density change with temperature? How does density affect ocean currents? See all questions in Density Impact of this question 2099 views around the world You can reuse this answer Creative Commons License