633 g/kg to PSU

633 g/kg = 636.102 PSU

g/kgPSU
618 g/kg621.028
623 g/kg626.053
628 g/kg631.077
633636.102
638 g/kg641.126
643 g/kg646.151
648 g/kg651.175

633 g/kg = 636.102 PSU

Formula

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