404 g/kg to PSU

404 g/kg = 405.98 PSU

g/kgPSU
389 g/kg390.906
394 g/kg395.931
399 g/kg400.955
404405.98
409 g/kg411.004
414 g/kg416.029
419 g/kg421.053

404 g/kg = 405.98 PSU

Formula

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