604 g/kg to PSU

604 g/kg = 606.96 PSU

g/kgPSU
589 g/kg591.886
594 g/kg596.911
599 g/kg601.935
604606.96
609 g/kg611.984
614 g/kg617.009
619 g/kg622.033

604 g/kg = 606.96 PSU

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)