4,580 ppm to PSU

4,580 ppm = 4.602 PSU

ppmPSU
4,565 ppm4.587
4,570 ppm4.592
4,575 ppm4.597
4,5804.602
4,585 ppm4.607
4,590 ppm4.612
4,595 ppm4.618

4580 ppm = 4.602 PSU

Formula

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