612 g/kg to PSU

612 g/kg = 614.999 PSU

g/kgPSU
597 g/kg599.925
602 g/kg604.95
607 g/kg609.974
612614.999
617 g/kg620.023
622 g/kg625.048
627 g/kg630.072

612 g/kg = 614.999 PSU

Formula

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