1,065 ppm to PSU

1,065 ppm = 1.07 PSU

ppmPSU
1,050 ppm1.055
1,055 ppm1.06
1,060 ppm1.065
1,0651.07
1,070 ppm1.075
1,075 ppm1.08
1,080 ppm1.085

1065 ppm = 1.07 PSU

Formula

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