9 g/kg to PSU

9 g/kg = 9.044 PSU

g/kgPSU
6 g/kg6.029
7 g/kg7.034
8 g/kg8.039
99.044
10 g/kg10.049
11 g/kg11.054
12 g/kg12.059

9 g/kg = 9.044 PSU

Formula

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