655 g/kg to PSU

655 g/kg = 658.209 PSU

g/kgPSU
640 g/kg643.136
645 g/kg648.16
650 g/kg653.185
655658.209
660 g/kg663.234
665 g/kg668.258
670 g/kg673.283

655 g/kg = 658.209 PSU

Formula

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