651 g/kg to PSU

651 g/kg = 654.19 PSU

g/kgPSU
636 g/kg639.116
641 g/kg644.141
646 g/kg649.165
651654.19
656 g/kg659.214
661 g/kg664.239
666 g/kg669.263

651 g/kg = 654.19 PSU

Formula

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