4,945 ppm to PSU

4,945 ppm = 4.969 PSU

ppmPSU
4,930 ppm4.954
4,935 ppm4.959
4,940 ppm4.964
4,9454.969
4,950 ppm4.974
4,955 ppm4.979
4,960 ppm4.984

4945 ppm = 4.969 PSU

Formula

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