80.5 PSU to g/kg

80.5 PSU = 80.1075 g/kg

PSUg/kg
65.5 PSU65.1806
70.5 PSU70.1562
75.5 PSU75.1319
80.580.1075
85.5 PSU85.0831
90.5 PSU90.0587
95.5 PSU95.0343

80.5 PSU = 80.1075 g/kg

Formula

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