667 g/kg to PSU

667 g/kg = 670.268 PSU

g/kgPSU
652 g/kg655.195
657 g/kg660.219
662 g/kg665.244
667670.268
672 g/kg675.293
677 g/kg680.317
682 g/kg685.342

667 g/kg = 670.268 PSU

Formula

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