488 g/kg to PSU

488 g/kg = 490.391 PSU

g/kgPSU
473 g/kg475.318
478 g/kg480.342
483 g/kg485.367
488490.391
493 g/kg495.416
498 g/kg500.44
503 g/kg505.465

488 g/kg = 490.391 PSU

Formula

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