704 g/kg to PSU

704 g/kg = 707.45 PSU

g/kgPSU
689 g/kg692.376
694 g/kg697.401
699 g/kg702.425
704707.45
709 g/kg712.474
714 g/kg717.499
719 g/kg722.523

704 g/kg = 707.45 PSU

Formula

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