My geometry was created in mm and my density is given in g/cm^3. How do I convert density [g/cm^3] units to match geometry [mm] units?


If the geometry is modeled in millimeters [mm]. then the density should be in [metric ton / mm^3]. Here are three sets of consistent units:
Length (m), Mass (kg), Density (kg/m^3), Pressure (Pa)
Length (cm), Mass (g), Density (g/cm^3), Pressure (dyne/cm^2)
Length (mm), Mass (metric ton or Mg), Density (ton/mm^3 or Mg/mm^3), Pressure (MPa)
note: 1 metric ton = 1Mg = 1000 kg

So, for example if you're given Density
= 1.46 [g/cm^3]
= 1.46e6 [g/m^3]
= 1.46e3 [kg/m^3]
= 1.46e-6 [kg/mm^3]
= 1.46e-9 [ton/mm^3] or [Mg/mm^3] <----- Enter this value for density





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