498 g/kg to PSU

498 g/kg = 500.44 PSU

g/kgPSU
483 g/kg485.367
488 g/kg490.391
493 g/kg495.416
498500.44
503 g/kg505.465
508 g/kg510.489
513 g/kg515.514

498 g/kg = 500.44 PSU

Formula

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