19.5 g/kg to PSU

19.5 g/kg = 19.596 PSU

g/kgPSU
16.5 g/kg16.581
17.5 g/kg17.586
18.5 g/kg18.591
19.519.596
20.5 g/kg20.6
21.5 g/kg21.605
22.5 g/kg22.61

19.5 g/kg = 19.596 PSU

Formula

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