4,660 ppm to PSU

4,660 ppm = 4.683 PSU

ppmPSU
4,645 ppm4.668
4,650 ppm4.673
4,655 ppm4.678
4,6604.683
4,665 ppm4.688
4,670 ppm4.693
4,675 ppm4.698

4660 ppm = 4.683 PSU

Formula

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