448 g/kg to PSU

448 g/kg = 450.195 PSU

g/kgPSU
433 g/kg435.122
438 g/kg440.146
443 g/kg445.171
448450.195
453 g/kg455.22
458 g/kg460.244
463 g/kg465.269

448 g/kg = 450.195 PSU

Formula

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