74.5 g/kg to PSU

74.5 g/kg = 74.865 PSU

g/kgPSU
59.5 g/kg59.792
64.5 g/kg64.816
69.5 g/kg69.841
74.574.865
79.5 g/kg79.89
84.5 g/kg84.914
89.5 g/kg89.939

74.5 g/kg = 74.865 PSU

Formula

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