salt water is ~3.5% denser http://hypertextbook.com/facts/2002/EdwardLaValley.shtml Density of Ocean "Density of Seawater" 1025kg/m^3 density of seawater Deniz suyunun özkütlesi "Density of Seawater" 1030 kg/m³ salt water is ~3.5% denser Density of sea water pour la masse volumique