4,650 ppm to PSU

4,650 ppm = 4.673 PSU

ppmPSU
4,635 ppm4.658
4,640 ppm4.663
4,645 ppm4.668
4,6504.673
4,655 ppm4.678
4,660 ppm4.683
4,665 ppm4.688

4650 ppm = 4.673 PSU

Formula

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