48.5 PSU to ppm

48.5 PSU = 48,263.5 ppm

PSUppm
42.5 PSU42,292.8
44.5 PSU44,283
46.5 PSU46,273.3
48.548,263.5
50.5 PSU50,253.8
52.5 PSU52,244
54.5 PSU54,234.3

48.5 PSU = 48,263.5 ppm

Formula

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