How do I convert 1.65 g/cm3 into kg/m3?

1000gm= 1kg
100cm= 1m

1.65g/cm^3 X (1kg/1000g) X (100cm/1m)^3=1650 kg/m^3

Thanks, that worked.

You're welcome! I'm glad it worked for you. If you have any more questions or need further assistance, feel free to ask!