1,505 ppm to PSU

1,505 ppm = 1.512 PSU

ppmPSU
1,490 ppm1.497
1,495 ppm1.502
1,500 ppm1.507
1,5051.512
1,510 ppm1.517
1,515 ppm1.522
1,520 ppm1.527

1505 ppm = 1.512 PSU

Formula

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