398 g/kg to PSU

398 g/kg = 399.95 PSU

g/kgPSU
383 g/kg384.877
388 g/kg389.901
393 g/kg394.926
398399.95
403 g/kg404.975
408 g/kg409.999
413 g/kg415.024

398 g/kg = 399.95 PSU

Formula

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