42 g/kg to PSU

42 g/kg = 42.206 PSU

g/kgPSU
36 g/kg36.176
38 g/kg38.186
40 g/kg40.196
4242.206
44 g/kg44.216
46 g/kg46.225
48 g/kg48.235

42 g/kg = 42.206 PSU

Formula

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