4,900 ppm to PSU

4,900 ppm = 4.924 PSU

ppmPSU
4,885 ppm4.909
4,890 ppm4.914
4,895 ppm4.919
4,9004.924
4,905 ppm4.929
4,910 ppm4.934
4,915 ppm4.939

4900 ppm = 4.924 PSU

Formula

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