507 g/kg to PSU

507 g/kg = 509.484 PSU

g/kgPSU
492 g/kg494.411
497 g/kg499.435
502 g/kg504.46
507509.484
512 g/kg514.509
517 g/kg519.533
522 g/kg524.558

507 g/kg = 509.484 PSU

Formula

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