603 g/kg to PSU

603 g/kg = 605.955 PSU

g/kgPSU
588 g/kg590.881
593 g/kg595.906
598 g/kg600.93
603605.955
608 g/kg610.979
613 g/kg616.004
618 g/kg621.028

603 g/kg = 605.955 PSU

Formula

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