1g/L=0.001kg/0.001m^3=1kg/m^31g/cm^3=0.001kg/0.000001m^3=1000kg/m^3
1g=0.001kg1L=1dm^3=0.001m^31g/l=0.001kg/0.001m^3=1kg/m^3
1g/L=1kg/m^3