609 g/kg to PSU

609 g/kg = 611.984 PSU

g/kgPSU
594 g/kg596.911
599 g/kg601.935
604 g/kg606.96
609611.984
614 g/kg617.009
619 g/kg622.033
624 g/kg627.058

609 g/kg = 611.984 PSU

Formula

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