654 g/kg to PSU

654 g/kg = 657.205 PSU

g/kgPSU
639 g/kg642.131
644 g/kg647.156
649 g/kg652.18
654657.205
659 g/kg662.229
664 g/kg667.254
669 g/kg672.278

654 g/kg = 657.205 PSU

Formula

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