501 g/kg to PSU

501 g/kg = 503.455 PSU

g/kgPSU
486 g/kg488.381
491 g/kg493.406
496 g/kg498.43
501503.455
506 g/kg508.479
511 g/kg513.504
516 g/kg518.528

501 g/kg = 503.455 PSU

Formula

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