4,920 ppm to PSU

4,920 ppm = 4.944 PSU

ppmPSU
4,905 ppm4.929
4,910 ppm4.934
4,915 ppm4.939
4,9204.944
4,925 ppm4.949
4,930 ppm4.954
4,935 ppm4.959

4920 ppm = 4.944 PSU

Formula

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